feat(root): scaffold Django project with djinit

Add initial project skeleton using djinit to enable rapid development, CI integration, and deployment setup.

New Features
- Create .djinit with unified project structure and Tailwind/HTMX enabled.
- Add .env.sample with default Django, database, and frontend URLs.
- Generate comprehensive .gitignore covering Python, Django, OS, and secret files.
- Provide Procfile for Gunicorn web process and release migrations.
- Scaffold README.md with project overview and features.
- Add manage.py enhanced with environ for .env support.
- Initialize pyproject.toml with modern metadata and ruff linting config.
- Add requirements.txt mirroring dependencies.
- Include runtime.txt pinning Python 3.13.
- Update uv.lock to lock dependency versions.

Enhancements
- Upgrade to latest Django 6.0.5 and DRF ecosystem.
- Configure ruff with line-length 88 and isort settings.
- Use gunicorn with optimal worker configuration.
- Include dj-database-url and psycopg binary for robust PostgreSQL connectivity.

Bug Fixes
- None.

.gitignore

@@ -0,0 +1,93 @@
+#--------------------------------------------------#
+# The following was generated by djinit: #
+#--------------------------------------------------#
+
+# Python
+*.py[cod]
+*$py.class
+*.so
+__pycache__/
+*.egg-info/
+dist/
+build/
+.eggs/
+*.egg
+
+# Django
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+*.sqlite3
+
+# Environment
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# IDEs
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.project
+.pydevproject
+.settings/
+.ropeproject/
+
+# OS
+.DS_Store
+*.DS_Store
+Thumbs.db
+desktop.ini
+
+# Django specific
+media/
+staticfiles/
+staticfiles/
+static_root/
+/static/
+
+# Testing
+.coverage
+htmlcov/
+.pytest_cache/
+.tox/
+coverage.xml
+*.cover
+.hypothesis/
+.cache
+
+# Logs
+logs/
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Node modules (if using frontend tools)
+node_modules/
+
+# Secret keys
+secret.txt
+secrets.json
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# Backup files
+*.bak
+*.tmp
+*~
+
+# Database
+*.db
+*.sql
+
+# Cloud
+.cloud