add eunuch for sudo stuff

lua/plex/plugins/extras/editor/vim-eunuch.lua

@@ -0,0 +1,12 @@
+return {
+	{
+		-- enables UNIX specific stuff in vim,
+		-- specifically:
+		-- :SudoWrite
+		-- :SudoRead
+		-- :Chmod
+		-- and also some more, but those are easy done with shell
+		"tpope/vim-eunuch",
+		lazy=false,
+	}
+}