Add treefmt

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/user/gui/clipbook/copy.sh

@@ -1,3 +1,5 @@
+# shellcheck shell=bash
+
 list() {
   echo -en "\0keep-selection\x1ftrue\n"
   jq -r 'keys[]' "$BOOKMARKS"

hosts/common/configs/user/gui/clipbook/default.nix

@@ -21,8 +21,6 @@ in
       let
         clipbook-rofi = lib.meta.getExe hmConfig.programs.clipbook.finalPackage;
       in
-      [
-        "$mod, c, exec, ${clipbook-rofi}"
-      ];
+      [ "$mod, c, exec, ${clipbook-rofi}" ];
   };
 }