codium: Add lower case keybinding

codium/keybindings.json

@@ -8,6 +8,10 @@
     "key": "ctrl+alt+u",
     "command": "editor.action.transformToUppercase"
   },
+  {
+    "key": "ctrl+alt+l",
+    "command": "editor.action.transformToLowercase"
+  },
   {
     "key": "ctrl+[BracketRight]",
     "command": "workbench.action.navigateForward"