feat: Add REST API Module and Tearsheets Feature

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug Report
+about: Report a bug to help us improve
+title: '[BUG] '
+labels: bug
+assignees: ''
+---
+
+## Describe the bug
+A clear and concise description of what the bug is.
+
+## Steps to reproduce
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '...'
+3. Scroll down to '...'
+4. See error
+
+## Expected behavior
+A clear and concise description of what you expected to happen.
+
+## Actual behavior
+A clear and concise description of what actually happened.
+
+## Screenshots
+If applicable, add screenshots to help explain your problem.
+
+## Environment
+Please complete the following information:
+- **OpenCATS version**: [e.g., 0.9.7]
+- **PHP version**: [e.g., 7.4, 8.0, 8.1]
+- **MySQL version**: [e.g., 5.7, 8.0]
+- **Operating System**: [e.g., Ubuntu 22.04, Windows 11, macOS 13]
+- **Browser**: [e.g., Chrome 120, Firefox 121, Safari 17]
+
+## Additional context
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature Request
+about: Suggest an idea for OpenCATS
+title: '[FEATURE] '
+labels: enhancement
+assignees: ''
+---
+
+## Is this related to a problem?
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+## Describe the solution you'd like
+A clear and concise description of what you want to happen.
+
+## Describe alternatives considered
+A clear and concise description of any alternative solutions or features you've considered.
+
+## Additional context
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

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+# Pull Request
+
+## Description
+
+### What does this PR do?
+<!-- Provide a clear and concise description of what this pull request accomplishes -->
+
+
+### Why is this change needed?
+<!-- Explain the motivation behind this change. What problem does it solve? -->
+
+
+## Type of Change
+
+Please check all that apply:
+
+- [ ] Bug fix (non-breaking change that fixes an issue)
+- [ ] New feature (non-breaking change that adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Refactoring (code changes that neither fix a bug nor add a feature)
+
+## Testing
+
+### How was this tested?
+<!-- Describe the tests you ran to verify your changes. Provide instructions so reviewers can reproduce. -->
+
+
+### Test Configuration
+- **PHP Version:**
+- **Database:**
+- **Operating System:**
+
+## Checklist
+
+Please check all that apply:
+
+- [ ] My code follows the project's coding style and guidelines
+- [ ] I have performed a self-review of my own code
+- [ ] I have added comments to complex or hard-to-understand code
+- [ ] I have updated the documentation accordingly
+- [ ] My changes generate no new warnings
+- [ ] I have added or updated tests that prove my fix is effective or my feature works
+- [ ] All new and existing tests pass locally
+
+## Screenshots
+
+<!-- If applicable, add screenshots to help explain your changes -->
+<!-- Delete this section if not applicable -->
+
+| Before | After |
+|--------|-------|
+|        |       |
+
+## Related Issues
+
+<!-- Link any related issues here using the format below -->
+<!-- Use "Fixes #123" to automatically close the issue when this PR is merged -->
+<!-- Use "Relates to #123" for issues that are related but not fixed by this PR -->
+
+Fixes #
+
+## Additional Notes
+
+<!-- Add any additional notes or context about the pull request here -->
+<!-- Delete this section if not needed -->

CODE_OF_CONDUCT.md

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+# Contributor Code of Conduct
+
+## Our Pledge
+
+We as members, contributors, and leaders pledge to make participation in our
+community a positive experience for everyone.
+
+We pledge to act and interact in ways that contribute to an open, welcoming,
+diverse, inclusive, and healthy community.
+
+## Our Standards
+
+Examples of behavior that contributes to a positive environment:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+* Being patient with newcomers learning the project
+
+Examples of unacceptable behavior:
+
+* Trolling, insulting or derogatory comments, and personal attacks
+* Public or private unwelcome conduct
+* Publishing others' private information without permission
+* Other conduct which could reasonably be considered inappropriate
+
+## Enforcement Responsibilities
+
+Community leaders are responsible for clarifying and enforcing our standards of
+acceptable behavior and will take appropriate and fair corrective action in
+response to any behavior that they deem inappropriate, threatening, or harmful.
+
+## Scope
+
+This Code of Conduct applies within all community spaces, and also applies when
+an individual is officially representing the community in public spaces.
+
+## Enforcement
+
+Instances of unacceptable behavior may be reported to the community leaders
+responsible for enforcement at **community@opencats.org**.
+
+All complaints will be reviewed and investigated promptly and fairly.
+
+All community leaders are obligated to respect the privacy and security of the
+reporter of any incident.
+
+## Enforcement Guidelines
+
+Community leaders will follow these guidelines in determining consequences:
+
+### 1. Correction
+
+**Impact**: Minor issues or first-time occurrences.
+
+**Consequence**: A private, written warning with clarity around the nature of
+the violation. A public apology may be requested.
+
+### 2. Warning
+
+**Impact**: A violation through a single incident or series of actions.
+
+**Consequence**: A warning with consequences for continued behavior. No
+interaction with the people involved for a specified period of time.
+
+### 3. Temporary Ban
+
+**Impact**: A serious violation of community standards.
+
+**Consequence**: A temporary ban from any sort of interaction or public
+communication with the community for a specified period of time.
+
+### 4. Permanent Ban
+
+**Impact**: Demonstrating a pattern of violation of community standards.
+
+**Consequence**: A permanent ban from any sort of public interaction within
+the community.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+version 2.1, available at
+[https://www.contributor-covenant.org/version/2/1/code_of_conduct.html][v2.1].
+
+[homepage]: https://www.contributor-covenant.org
+[v2.1]: https://www.contributor-covenant.org/version/2/1/code_of_conduct.html
+
+For answers to common questions about this code of conduct, see the FAQ at
+[https://www.contributor-covenant.org/faq][faq].
+
+[faq]: https://www.contributor-covenant.org/faq