docs: fix README and contributing typos

[dejoski]

Summary

• fix the README license badge target
• correct the ServiceProvider attribute example
• clean up small README and CONTRIBUTING typos

Closes #33

Validation

• git diff --check

Summary by CodeRabbit

• Documentation
  • Improved contributor guidance wording and fixed a typo in the contribution tips.
  • Corrected the license badge link in the README.
  • Fixed a Kotlin example snippet and several minor wording/spelling issues in the project overview.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: ASSERTIVE

Plan: Pro

Run ID: 7b2a9442-fffd-4c5e-ba77-dc850d25b25f

📥 Commits

Reviewing files that changed from the base of the PR and between fdc0ff3 and 28512af.

📒 Files selected for processing (2)

• CONTRIBUTING.md
• README.md

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📝 Walkthrough

Walkthrough

Updated README and CONTRIBUTING documentation text, including a license badge target, a Kotlin snippet, and several typo fixes.

Changes

Documentation polish

Layer / File(s)	Summary
Copy and link fixes README.md, CONTRIBUTING.md	Updated the README license badge target, corrected a Kotlin annotation example, fixed two README typos, and corrected two CONTRIBUTING typos.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐇 I hopped through docs with whiskers bright,
and nudged the links to point just right.
::class now sparkles, typos flee,
the README and guide feel snappy to me.
Thump-thump! 🌿

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The description covers the main changes and issue number, but it omits several required template sections and detailed testing/context.	Add the missing template sections: Changes in Detail, Modules Affected, Versioning, Testing steps, Checklist, and Notes for Reviewers.
Linked Issues check	⚠️ Warning	The README and CONTRIBUTING fixes match #33, but the required bug template placeholder update is missing from the changes.	Update .github/ISSUE_TEMPLATE/bug_report.yml to use a project-relevant environment placeholder such as JDK, Gradle, and Kotlin versions.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title is concise and accurately reflects the documentation-focused changes, though it omits the badge and code example fixes.
Out of Scope Changes check	✅ Passed	The changed files stay within the documentation fixes requested by the issue and show no unrelated additions.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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