fixes "could not resolve runtime.js" error within prefresh/nollup (#547)

* fixes "could not resolve runtime.js" error within prefresh/nollup

* Create thin-plums-taste.md

---------

Co-authored-by: Jovi De Croock <[email protected]>

Author: Sanshain

.changeset/thin-plums-taste.md

@@ -0,0 +1,5 @@
+---
+"@prefresh/nollup": patch
+---
+
+fixes "could not resolve runtime.js" error within prefresh/nollup

packages/nollup/package.json

@@ -8,6 +8,10 @@
       "require": "./src/index.js",
       "import": "./src/wrapper.mjs"
     },
+    "./src/runtime.js": {
+      "require": "./src/runtime.js",
+      "import": "./src/runtime.js"
+    },	
     "./package.json": "./package.json"
   },
   "scripts": {