Updated config, added README and clean script

clean.fish

@@ -0,0 +1,24 @@
+#!/usr/bin/fish
+
+# This script removes all symlinks in ~/.config that were added by setup.fish.
+set ignored ls (string split ' ' (cat ignored))
+set lscommand (string join ' --hide=' $ignored)
+set directories (eval $lscommand)
+
+for directory in $directories
+    set confdir ~/.config/$directory
+    if ! test -d $confdir
+        echo Directory $confdir does not exist. Skipping...
+        continue
+    end
+
+    set content (ls $confdir)
+    for file in $content
+        if test -L $confdir/$file
+            rm $confdir/$file
+            echo Removed $confdir/$file.
+        else
+            echo $confdir/$file is not symlink. Skipping...
+        end
+    end
+end