Improve developer experience

[jorgesg82]

This PR improves developer experience in the template project and updates local workflows around simulator-first development.

Main Changes

• Removed unused dev container files (.devcontainer/).
• Added/updated DX documentation:
  • docs/template-project/setup.md
  • docs/template-project/build-debug.md
  • docs/template-project/testing.md
  • README.md links and quickstart update.
• Improved CMake developer workflows:
  • Updated CMakePresets.json.
  • Updated top-level CMakeLists.txt.
  • Clarified BOARD_NAME behavior in docs.
• Improved VSCode workflows:
  • Refactored .vscode/tasks.json with simulator test tasks.
  • Refactored .vscode/launch.json with clearer MCU/simulator debug entries.
• Improved CI and formatting checks:
  • Added .github/workflows/tests.yml.
  • Added .github/workflows/format-checks.yml.
  • Added .pre-commit-config.yaml and .clang-format.
• Updated utility scripts for a smoother setup/build flow:
  • tools/init.sh, tools/init.bat
  • tools/generate_binary_metadata.py
  • tools/preflash_check.py
  • tools/retrieve_flash_data.py
  • Core/Inc/Code_generation/Generator.py

Notes

• Dev container support is intentionally removed in this PR.