Fix build automation and only include dist files

.github/workflows/publish.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Run Tests
         run: npm test
       - name: Build
-        run: npm build
+        run: npm run build
       - name: Git config
         run: |
           git config --local user.email 'hello@rive.app'

package.json

@@ -4,6 +4,9 @@
   "description": "React wrapper around the rive-js library",
   "main": "dist/index.js",
   "typings": "dist/types/index.d.ts",
+  "files": [
+    "./dist/**"
+  ],
   "scripts": {
     "test": "jest",
     "build": "bunchee src/index.ts -m --no-sourcemap",