chore: Move Linux-only configs out of "common" and into "linux"

linux/.config/kate/externaltools/JSON%20Format%20Full%20File.ini

@@ -0,0 +1,14 @@
+[General]
+actionName=externaltool_JSONFormatFullFile
+arguments="."
+category=Tools
+cmdname=json-format-file
+executable=jq
+icon=application-json
+input=%{Document:Text}
+name=JSON Format Full File
+output=ReplaceCurrentDocument
+reload=false
+save=CurrentDocument
+trigger=None
+workingDir=%{Document:Path}