build: add local developement keycloak and init script

[patlo-iog]

Overview

A preparation work for Keycloak integration. This should enable easy local dev Keycloak instance with realm, client and static client-secret initialized.

PORT=8080 docker-compose -f infrastructure/shared/docker-compose-mt-keycloak.yml --env-file ./infrastructure/local/.env up

Checklist

My PR contains...

• No code changes (changes to documentation, CI, metadata, etc.)
• Bug fixes (non-breaking change which fixes an issue)
• Improvements (misc. changes to existing features)
• Features (non-breaking change which adds functionality)

My changes...

• are breaking changes
• are not breaking changes
• If yes to abovscriptse: I have updated the documentation accordingly

Documentation

• My changes do not require a change to the project documentation
• My changes require a change to the project documentation
• If yes to above: I have updated the documentation accordingly

Tests

• My changes can not or do not need to be tested
• My changes can and should be tested by unit and/or integration tests
• If yes to above: I have added tests to cover my changes
• If yes to above: I have taken care to cover edge cases in my tests

[github-actions]

Atala PRISM Test Results

  77 files  ±0    77 suites  ±0   15m 7s ⏱️ +41s
672 tests ±0  661 ✔️ ±0  11 💤 ±0  0 ❌ ±0 
678 runs  ±0  667 ✔️ ±0  11 💤 ±0  0 ❌ ±0 

Results for commit 912fc8e. ± Comparison against base commit 4b10c3a.

♻️ This comment has been updated with latest results.

[github-actions]

Integration Test Results

11 files  ±0  11 suites  ±0   3s ⏱️ -1s
25 tests ±0  25 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
37 runs  ±0  37 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 912fc8e. ± Comparison against base commit 4b10c3a.

♻️ This comment has been updated with latest results.