Updated gitignore

.gitignore

@@ -1,20 +1,4 @@
-# For PCBs designed using KiCad: http://www.kicad-pcb.org/
+build
-
+.dep
-# Temporary files
+decoder/*.pyc
-*.000
+decoder/__pycache__
-*.bak
-*.bck
-*.kicad_pcb-bak
-*~
-_autosave-*
-*.tmp
-
-# Netlist files (exported from Eeschema)
-*.net
-
-# Autorouter files (exported from Pcbnew)
-.dsn
-
-# Exported BOM files
-*.xml
-*.csv