✨ Add TypeScript comment type support (issue #69)

[arnoox]

Summary

This PR implements #69 by adding TypeScript as a supported comment_type with .ts/.tsx defaults for source discovery.

Changes

• Add ts to supported comment_type values in source discovery config.
• Map TypeScript discovery extensions to .ts and .tsx.
• Add tree-sitter TypeScript dependency and parser wiring in analyse utilities.
• Add TypeScript scope/comment parsing tests.
• Add discovery fixture coverage for TypeScript files.
• Add integration analyse test coverage for TypeScript input.
• Update docs for supported languages and discover examples.
• Add changelog entry under Upcoming.

Verification

Ran:

• uv run --group testing pytest tests/test_source_discover.py tests/test_src_trace.py tests/test_analyse_utils.py tests/test_analyse.py

Result:

• 148 passed

Linked issue

• Closes Feature: Add TypeScript language support #69