chore: update to eleventy v3 (#107)

* chore: update globals

* chore: update eleventy

* refactor: use ES module syntax in configs and JS files

Author: dustin-jw

.eleventy.js

@@ -1,13 +1,13 @@
-module.exports = function (eleventyConfig) {
+export default function(eleventyConfig) {
   eleventyConfig.addPassthroughCopy({ 'src/public': '/' });
   eleventyConfig.addLayoutAlias('default', 'layout.njk');
+};
 
-  return {
-    dir: {
-      input: 'pages',
-      output: 'dist',
-      includes: '../src',
-    },
-    markdownTemplateEngine: 'njk',
-  };
+export const config = {
+  dir: {
+    input: 'pages',
+    output: 'dist',
+    includes: '../src',
+  },
+  markdownTemplateEngine: 'njk',
 };

eslint.config.js

@@ -1,7 +1,7 @@
-const globals = require('globals');
-const js = require('@eslint/js');
+import globals from 'globals';
+import js from '@eslint/js';
 
-module.exports = [
+export default [
 	js.configs.recommended,
 	{
 		languageOptions: {