fix: revert to .js temporarily (pending vite fix)

Author: danielroe

package.json

@@ -17,6 +17,7 @@
     "email": "[email protected]",
     "url": "https://roe.dev"
   },
+  "sideEffects": true,
   "exports": {
     ".": {
       "import": "./dist/index.mjs",
@@ -26,7 +27,7 @@
     "./package.json": "./package.json",
     "./dist/babel-plugin": "./dist/babel-plugin.js",
     "./dist/runtime/globals": "./dist/runtime/globals.js",
-    "./dist/runtime/register": "./dist/runtime/register.mjs",
+    "./dist/runtime/register": "./dist/runtime/register.js",
     "./dist/runtime/templates/*": "./dist/runtime/templates/*"
   },
   "main": "./dist/index.js",