added .gitignore

.gitignore

@@ -0,0 +1,51 @@
+# For PCBs designed using KiCad: https://www.kicad.org/
+# Format documentation: https://kicad.org/help/file-formats/
+
+# Temporary files
+*.000
+*.bak
+*.bck
+*.kicad_pcb-bak
+*.kicad_sch-bak
+*-backups
+*.kicad_prl
+*.sch-bak
+*~
+_autosave-*
+*.tmp
+*-save.pro
+*-save.kicad_pcb
+*.kicad_pcb.lck
+fp-info-cache
+
+# Netlist files (exported from Eeschema)
+*.net
+
+# Autorouter files (exported from Pcbnew)
+*.dsn
+*.ses
+
+# Exported BOM files
+*.xml
+*.csv
+
+build/
+.DS_Store
+
+# Virtual environment
+.venv/
+venv/
+
+# .ato directory
+.ato/
+
+# IDEs
+.vscode/**
+*.code-workspace
+
+__pycache__/
+
+# Platformio
+.pio/
+
+*.egg-info/