feat(Internationalization): adds support for internationalization

[LucasTemponi]

Summary 📰

Adds support for internationalization

Details 📚

Implements internationalization following Backstage's guidelines
Closes #491

Checklist ✅

• I have updated the necessary documentation
• I have signed off all my commits as required by DCO
• My build is green

Testing Notes 🔬

[changeset-bot]

🦋 Changeset detected

Latest commit: 9390322

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@procore-oss/backstage-plugin-announcements-react	Minor
@procore-oss/backstage-plugin-announcements	Minor

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[kurtaking]

@LucasTemponi, the DCO step is failing. We can get this merged once you get that fixed.

[LucasTemponi]

@kurtaking , commits signed off.

Sorry about that.

[gabrielcbe]

@kurtaking, anything else we need to do on our side?

[kurtaking]

@kurtaking, anything else we need to do on our side?

Taking a look now - I've been out the past two weeks.

[kurtaking]

@LucasTemponi @gabrielcbe - sorry for the delay. This will be in the next release.

[gabrielcbe]

@LucasTemponi @gabrielcbe - sorry for the delay. This will be in the next release.

No worries about the delay, thanks a lot for taking the time to review and merge the PR