clean up

.gitignore

@@ -1,19 +1,45 @@
-software/.DS_Store
-.DS_Store
-Hardware/gtoe/gtoe-backups
-Hardware/gtoe/fp-info-cache
-Hardware/gtoe/#auto_saved_files#
+# https://github.com/github/gitignore/blob/main/KiCad.gitignore
+# For PCBs designed using KiCad: https://www.kicad.org/
+# Format documentation: https://kicad.org/help/file-formats/
 
-README.MD.backup
-Hardware/gtoe/_autosave-gtoe.kicad_pcb
+# Temporary files
+*.000
+*.bak
+*.bck
+*.kicad_pcb-bak
+*.kicad_sch-bak
+*-backups
+*-cache*
+*-bak
+*-bak*
+*~
+~*
+_autosave-*
+\#auto_saved_files\#
+*.tmp
+*-save.pro
+*-save.kicad_pcb
+fp-info-cache
+~*.lck
+\#auto_saved_files#
 
-Hardware/gtoe/gtoe.kicad_sch-bak
-Hardware/gtoe/_autosave-gtoe.kicad_sch
-Software/Gravity/build/arduino.avr.nano
-Software/Gravity/build/arduino.avr.nano
-Hardware/gtoe/midi-backups
-Hardware/gtoe/midi-panel-backups
-Hardware/gtoe/MIDI Board REV1.zip
-Hardware/gtoe/MIDI Panel REV1.zip
-gtoe-backups
-panel-backups
+# Netlist files (exported from Eeschema)
+*.net
+
+# Autorouter files (exported from Pcbnew)
+*.dsn
+*.ses
+
+# Exported BOM files
+*.xml
+*.csv
+
+# Archived Backups (KiCad 6.0)
+**/*-backups/*.zip
+
+# Local project settings
+*.kicad_prl
+fp-lib-table
+fp-lib-table
+fp-lib-table
+sym-lib-table