Add a simple command-line tool

[prologic]

This PR adds a simple command-line tool called sysinfo to help test and demonstrate the package.

This helped me review and test #40 and also found a bug 😅

[cla-checker-service]

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[elasticmachine]

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• Start Time: 2022-10-19T22:52:09.426+0000

• Duration: 2 min 59 sec

Steps errors

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Load a resource file from a library

• Took 0 min 0 sec . View more details here
• Description: approval-list/elastic/go-sysinfo.yml

Error signal

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• Description: githubApiCall: The REST API call https://api.github.com/orgs/elastic/members/prologic return the message : java.lang.Exception: httpRequest: Failure connecting to the service https://api.github.com/orgs/elastic/members/prologic : httpRequest: Failure connecting to the service https://api.github.com/orgs/elastic/members/prologic : Code: 404Error: {"message":"User does not exist or is not a member of the organization","documentation_url":"https://docs.github.com/rest/reference/orgs#check-organization-membership-for-a-user"}