feat: add initial project setup and first draft

eslint.config.mjs

@@ -0,0 +1,14 @@
+import js from "@eslint/js";
+import { defineConfig } from "eslint/config";
+import eslintPluginAstro from "eslint-plugin-astro";
+import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
+
+export default defineConfig([
+  {
+    files: ["**/*.{js,mjs}"],
+    plugins: { js },
+    extends: ["js/recommended"],
+  },
+  ...eslintPluginAstro.configs.recommended,
+  eslintPluginPrettierRecommended,
+]);