Add backend and frontend skeleton

.gitignore

@@ -5,54 +5,54 @@
 # ----------------------------------------------------------------------------
 # Python: Byte-compiled & Cache
 # ----------------------------------------------------------------------------
-__pycache__/
-*.py[cod]
-*$py.class
-*.so
-.cython_debug/
-cython_debug/
+**/__pycache__/
+**/*.py[cod]
+**/*$py.class
+**/*.so
+**/.cython_debug/
+**/cython_debug/
 
 # ----------------------------------------------------------------------------
 # Python: Packaging & Distribution
 # ----------------------------------------------------------------------------
-build/
-dist/
-develop-eggs/
-downloads/
-eggs/
-.eggs/
-lib/
-lib64/
-parts/
-sdist/
-wheels/
-share/python-wheels/
-*.egg-info/
-.installed.cfg
-*.egg
-MANIFEST
-*.manifest
-*.spec
+**/build/
+**/dist/
+**/develop-eggs/
+**/downloads/
+**/eggs/
+**/.eggs/
+**/lib/
+**/lib64/
+**/parts/
+**/sdist/
+**/wheels/
+**/share/python-wheels/
+**/*.egg-info/
+**/.installed.cfg
+**/*.egg
+**/MANIFEST
+**/*.manifest
+**/*.spec
 
 # Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
+**/pip-log.txt
+**/pip-delete-this-directory.txt
 
 # ----------------------------------------------------------------------------
 # Python: Virtual Environments & Dependency Managers
 # ----------------------------------------------------------------------------
 # Virtual environments
-.venv
-venv/
-env/
-ENV/
-env.bak/
-venv.bak/
-.pixi/
-__pypackages__/
+**/.venv
+**/venv/
+**/env/
+**/ENV/
+**/env.bak/
+**/venv.bak/
+**/.pixi/
+**/__pypackages__/
 
 # pyenv
-.python-version
+**/.python-version
 
 # Dependency lock files (usually committed, uncomment if you prefer to ignore)
 # Pipfile.lock
@@ -62,48 +62,48 @@ __pypackages__/
 # pixi.lock
 
 # Tool-specific
-.tox/
-.nox/
-.pdm-python
-.pdm-build/
-.poetry.toml
-.pdm.toml
+**/.tox/
+**/.nox/
+**/.pdm-python
+**/.pdm-build/
+**/.poetry.toml
+**/.pdm.toml
 
 # ----------------------------------------------------------------------------
 # Python: Testing & Coverage
 # ----------------------------------------------------------------------------
-htmlcov/
-.coverage
-.coverage.*
-.cache
-nosetests.xml
-coverage.xml
-*.cover
-*.py.cover
-.hypothesis/
-.pytest_cache/
-cover/
-.ruff_cache/
+**/htmlcov/
+**/.coverage
+**/.coverage.*
+**/.cache
+**/nosetests.xml
+**/coverage.xml
+**/*.cover
+**/*.py.cover
+**/.hypothesis/
+**/.pytest_cache/
+**/cover/
+**/.ruff_cache/
 
 # ----------------------------------------------------------------------------
 # Python: Development & IDE
 # ----------------------------------------------------------------------------
 # Jupyter / IPython
-.ipynb_checkpoints
-profile_default/
-ipython_config.py
+**/.ipynb_checkpoints
+**/profile_default/
+**/ipython_config.py
 
 # Type checkers & linters
-.mypy_cache/
-.dmypy.json
-dmypy.json
-.pyre/
-.pytype/
+**/.mypy_cache/
+**/.dmypy.json
+**/dmypy.json
+**/.pyre/
+**/.pytype/
 
 # Project / IDE settings
-.spyderproject
-.spyproject
-.ropeproject
+**/.spyderproject
+**/.spyproject
+**/.ropeproject
 
 # PyCharm / JetBrains (uncomment to ignore entire folder)
 # .idea/
@@ -115,78 +115,78 @@ dmypy.json
 # Python: Frameworks & Tools
 # ----------------------------------------------------------------------------
 # Django
-*.log
-local_settings.py
-db.sqlite3
-db.sqlite3-journal
+**/*.log
+**/local_settings.py
+**/db.sqlite3
+**/db.sqlite3-journal
 
 # Flask
-instance/
-.webassets-cache
+**/instance/
+**/.webassets-cache
 
 # Scrapy
-.scrapy
+**/.scrapy
 
 # Celery
-celerybeat-schedule
-celerybeat-schedule.*
-celerybeat.pid
+**/celerybeat-schedule
+**/celerybeat-schedule.*
+**/celerybeat.pid
 
 # Sphinx / MkDocs / Marimo
-docs/_build/
-/site
-marimo/_static/
-marimo/_lsp/
-__marimo__/
+**/docs/_build/
+**//site
+**/marimo/_static/
+**/marimo/_lsp/
+**/__marimo__/
 
 # Streamlit secrets
-.streamlit/secrets.toml
+**/.streamlit/secrets.toml
 
 # ----------------------------------------------------------------------------
 # Next.js / Node.js
 # ----------------------------------------------------------------------------
 # Dependencies
-/node_modules
-/.pnp
-.pnp.js
-.pnp.loader.mjs
+**/node_modules
+**/.pnp
+**/.pnp.js
+**/.pnp.loader.mjs
 
 # Build outputs
-.next/
-out/
-build/
+**/.next/
+**/out/
+**/build/
 
 # TypeScript
-*.tsbuildinfo
-next-env.d.ts
+**/*.tsbuildinfo
+**/next-env.d.ts
 
 # Testing (Jest, etc.)
-/coverage
+**/coverage
 
 # Vercel
-.vercel
+**/.vercel
 
 # ----------------------------------------------------------------------------
 # General / OS / Security
 # ----------------------------------------------------------------------------
 # Environment variables
-.env
-.env*.local
-.envrc
+**/.env
+**/.env*.local
+**/.envrc
 
 # OS generated files
-.DS_Store
-Thumbs.db
-*.pem
+**/.DS_Store
+**/Thumbs.db
+**/*.pem
 
 # Logs & debug
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-*.log
+**/npm-debug.log*
+**/yarn-debug.log*
+**/yarn-error.log*
+**/*.log
 
 # PyPI config
-.pypirc
+**/.pypirc
 
 # ==============================================================================
 # End of file