pinwheel: Add glsl mode to emacs

hosts/pinwheel/modules/emacs/config.org

@@ -501,6 +501,7 @@ Setup prefix for keybindings.
            (js-jsx-mode . eglot-ensure)
            (typescript-ts-mode . eglot-ensure)
            (rust-mode . eglot-ensure)
+           (glsl-mode . eglot-ensure)
     )
   )
 #+END_SRC
@@ -564,3 +565,7 @@ Setup prefix for keybindings.
     )
   )
 #+END_SRC
+** GLSL
+#+BEGIN_SRC emacs-lisp
+  (use-package glsl-mode)
+#+END_SRC