add .git ignore

.gitignore

@@ -0,0 +1,43 @@
+# Python-spezifisch
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+
+# Virtuelle Umgebungen
+.env/
+env/
+venv/
+ENV/
+
+# Build-Artefakte & Metadaten
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# Flask/Runtime
+instance/
+.webassets-cache
+
+# Systemdateien
+.DS_Store
+Thumbs.db
+
+# IDEs
+.vscode/
+.idea/