fix NPM publishing (#19)

* add `.npmrc` file

* add `publishConfig` to `package.json`

* update `package.json` URLs

Author: OmarTawfik

.npmrc

@@ -0,0 +1 @@
+//registry.npmjs.org/:_authToken=${NPM_TOKEN}

package.json

@@ -44,7 +44,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/bytecodealliance/jco.git"
+    "url": "git+https://github.com/nomicfoundation/jco.git"
   },
   "keywords": [
     "Wasm",
@@ -53,9 +53,13 @@
   ],
   "license": "(Apache-2.0 WITH LLVM-exception)",
   "bugs": {
-    "url": "https://github.com/bytecodealliance/jco/issues"
+    "url": "https://github.com/nomicfoundation/jco/issues"
+  },
+  "homepage": "https://github.com/nomicfoundation/jco#readme",
+  "publishConfig": {
+    "registry": "https://registry.npmjs.org/",
+    "access": "public"
   },
-  "homepage": "https://github.com/bytecodealliance/jco#readme",
   "scripts": {
     "build": "cargo xtask build debug",
     "build:release": "cargo xtask build release",