fix: add proper build steps to GitHub Actions

Author: slammers001

.github/workflows/publish.yml

@@ -18,6 +18,12 @@ jobs:
           node-version: '18'
           registry-url: 'https://registry.npmjs.org'
 
+      - name: Install dependencies
+        run: npm ci
+        
+      - name: Build package
+        run: npm run build
+          
       - name: Publish to npm
         run: npm publish
         env: