chore: add proper .gitignore

.gitignore

@@ -1,4 +1,78 @@
-.venv/
+# =========================
-*.egg-info/
+# DockerVault - .gitignore
+# =========================
+
+# --- Project data (DO NOT COMMIT) ---
+db/
+mc/
+mc-missing/
+home/
+logs/
+data/
+backups/
+*.db
+*.sqlite
+*.sqlite3
+
+# --- Python ---
 __pycache__/
-*.pyc
+*.py[cod]
+*$py.class
+
+# Virtual environments
+.venv/
+venv/
+env/
+ENV/
+
+# Python packaging
+build/
+dist/
+*.egg-info/
+.eggs/
+
+# Pytest
+.pytest_cache/
+.coverage
+htmlcov/
+
+# Mypy / type check
+.mypy_cache/
+
+# --- IDE / Editor ---
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# --- OS ---
+.DS_Store
+Thumbs.db
+
+# --- Logs ---
+*.log
+
+# --- Environment files ---
+.env
+.env.*
+*.env
+
+# --- Docker ---
+docker-compose.override.yml
+
+# --- Git ---
+*.orig
+
+# --- Temporary ---
+tmp/
+temp/
+
+# --- Backup artifacts ---
+*.bak
+*.old
+*.backup
+
+# --- Borg (if local repos exist) ---
+borg/
+.borg/