Add libraries for iced to work

flake.nix

@@ -39,9 +39,30 @@
             overlays = [ ];
           };
           # https://numtide.github.io/devshell/intro.html
-          devshells.default = {
+          devshells.default = rec {
             # These commands will be shown in the motd that users read
             # upon entering the shell
+            packages = with pkgs; [
+              expat
+              fontconfig
+              freetype
+              freetype.dev
+              libGL
+              pkg-config
+              xorg.libX11
+              xorg.libXcursor
+              xorg.libXi
+              xorg.libXrandr
+              wayland
+              libxkbcommon
+            ];
+            
+            env = [
+              {
+                name = "LD_LIBRARY_PATH";
+                value = builtins.foldl' (a: b: "${a}:${b}/lib") "${pkgs.vulkan-loader}/lib" packages;
+              }
+            ];
             commands = [
               {
                 package = pkgs.cargo;