wip: add linters and formatters

prettier.config.js

@@ -0,0 +1,12 @@
+/** @type {import("prettier").Config} */
+export default {
+  plugins: ["prettier-plugin-astro"],
+  overrides: [
+    {
+      files: "*.astro",
+      options: {
+        parser: "astro",
+      },
+    },
+  ],
+};