👌 IMPROVE: Add exports key to package.json

Author: chrisjsewell

package.json

@@ -10,12 +10,18 @@
     "markdown-it",
     "markdown-it-plugin"
   ],
-  "main": "dist/index.cjs.js",
-  "module": "dist/index.es.js",
+  "main": "dist/cjs/index.js",
+  "module": "dist/mjs/index.js",
   "types": "dist/index.d.ts",
   "files": [
     "dist"
   ],
+  "exports": {
+    ".": {
+      "import": "./dist/mjs/index.js",
+      "require": "./dist/cjs/index.js"
+    }
+  },
   "scripts": {
     "format": "prettier --write src/**/*.ts tests/**/*.ts",
     "lint": "eslint -c .eslintrc.yml --max-warnings 1 src/**/*.ts tests/**/*.ts",