Add multilingual Agila learning examples and Git practice guide

en/ai-review-and-contribute/README.md

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+# An Agila Forge review packet
+
+Take one Ada or Flying V project from these tracks and prepare a focused repository contribution that you can reproduce and test independently.
+
+- Include a README with problem, prerequisites, exact commands, and limitations.
+- Submit source and independent normal/boundary/failure evidence.
+- Review the diff and explain every retained change.
+- Document AI assistance and verification you performed yourself.
+- Record automated feedback, revisions, final check results, and a next learning objective.

en/ai-review-and-contribute/main.md

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+# Review packet
+
+Problem and intended behavior:
+
+Tools / compiler / SDK revision:
+
+Build and run commands:
+
+Test case | Expected | Actual | Why this case matters
+
+Design choice and failure policy:
+
+AI assistance and my verification:
+
+Known limitations:
+
+Automated feedback and revisions:
+
+Next learning objective: