Added cache exchange urq, fixed eslint, added prettier, upgraded yarn, added statsSite command.

eslint.config.js

@@ -1,9 +1,11 @@
 import globals from "globals";
 import pluginJs from "@eslint/js";
+import { defineConfig, globalIgnores } from "eslint/config";
 import tseslint from "typescript-eslint";
 
 /** @type {import('eslint').Linter.Config[]} */
-export default [
+export default defineConfig([
+  globalIgnores(["build/"]),
   { files: ["**/*.{js,mjs,cjs,ts}"] },
   { languageOptions: { globals: globals.browser } },
   pluginJs.configs.recommended,
@@ -22,4 +24,4 @@ export default [
       ]
     }
   }
-];
+]);