feat: added default devshell for yumeami development

flake.nix

@@ -56,5 +56,9 @@
           title = "yumeami";
         };
       };
+
+      alias = {
+        shells.default = "yumeami";
+      };
     };
 }

shells/yumeami/default.nix

@@ -0,0 +1,15 @@
+{
+  pkgs,
+  mkShell,
+}:
+mkShell {
+  buildInputs = with pkgs; [
+    lua
+  ];
+
+  packages = with pkgs; [
+    alejandra
+    nix-prefetch-scripts
+    stylua
+  ];
+}