chore(kate): Move kate back to "common" as it is cross-platform

- Link Kwrite config with Kate

common/.config/kate/externaltools/GoImports%20Full%20File.ini

@@ -0,0 +1,14 @@
+[General]
+actionName=externaltool_GoImports
+arguments=%{Document:FileName}
+category=Go
+cmdname=goimports-full-file
+executable=goimports
+icon=text-x-go
+mimetypes=text/x-go
+name=GoImports Full File
+output=ReplaceCurrentDocument
+reload=false
+save=CurrentDocument
+trigger=None
+workingDir=%{Document:Path}