add tip list

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*.so
+*.pyd
+*.pyo
+
+# Virtual environments
+.venv/
+venv/
+ENV/
+
+# Jupyter Notebook checkpoints
+.ipynb_checkpoints/
+
+# Raster and geodata outputs
+*.tif
+*.npy
+*.png
+trinkbrunnen_pixel_positions.npy
+trinkbrunnen_karte.png
+
+# Matplotlib figures
+*.pdf
+*.svg
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Editor files
+.vscode/
+.idea/
+
+# Logs
+*.log
+
+# Test and coverage
+.coverage
+htmlcov/
+
+# Misc
+*.bak
+*.tmp
+
+# Ignore results folder except source data
+results/
+!results/s2_2025.tif
+
+# Ignore geodata except source files
+geodata/
+!geodata/Trinkbrunnen_Berlin.geojson
+
+# PyInstaller build outputs
+build/
+dist/
+*.spec
+
+# Executables
+*.exe
+*.app