docs: adding community page

[mike-hoang]

What does this PR do / why we need it

Which issue(s) does this PR fix

Fixes devfile/api#1076

PR acceptance criteria

• Unit Tests
• E2E Tests
• Documentation
  Update the sidebar if there is a new file added or an existing filename is changed

How to test changes / Special notes to the reviewer

[nx-cloud]

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✅ Successfully ran 5 targets

• nx affected --target=e2e --configuration=production --parallel=1
• nx affected --target=docker-build --parallel=3
• nx affected --target=build --parallel=3
• nx affected --target=test --parallel=3 --ci --code-coverage
• nx affected --target=lint --parallel=3

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[michael-valdron]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: michael-valdron, mike-hoang

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• OWNERS [mike-hoang]

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[openshift-ci]

New changes are detected. LGTM label has been removed.