INIT(app): initial setup

- Initialize project structure
- Add base application files

.gitignore

@@ -0,0 +1,58 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+venv/
+env/
+ENV/
+.venv
+pip-log.txt
+pip-delete-this-directory.txt
+.pytest_cache/
+.coverage
+htmlcov/
+dist/
+build/
+*.egg-info/
+
+# Environment variables
+.env
+.env.local
+.env.*.local
+*.env
+
+# Chainlit
+.chainlit/
+.files/
+
+# IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+.DS_Store
+
+# Logs
+*.log
+logs/
+
+# Docker
+docker-compose.override.yml
+
+# Kubernetes secrets (local only)
+*-secret.yaml
+!deploy/vault/*.yaml
+
+# Node modules (if any frontend added)
+node_modules/
+package-lock.json
+yarn.lock
+
+# Temporary files
+tmp/
+temp/
+*.tmp
+