fish: add quick-diff

fish/quick-diff

@@ -0,0 +1,7 @@
+#!/usr/bin/env fish
+
+function quick-diff -d 'Quickly diffs a file and places it in a package dir'
+	diff -u $argv[1] $argv[2] > $_agw_dir_src/packages/void/greyserv/srcpkgs/$argv[3]/patches/$argv[4]
+end
+
+## EOF