working directory changed for github action npm publish (#144)

Author: patelvimal

.github/workflows/npm-publish.yml

@@ -23,6 +23,9 @@ jobs:
     publish-npm:
         needs: build
         runs-on: ubuntu-latest
+        defaults:
+            run:
+                working-directory: ./src
         steps:
             - uses: actions/checkout@v2
             - uses: actions/setup-node@v2
@@ -31,6 +34,7 @@ jobs:
                   registry-url: https://registry.npmjs.org/
                   scope: '@ngx-builders'
             - run: npm install
+            - run: npm run build
             - run: npm publish
               env:
                   NODE_AUTH_TOKEN: ${{secrets.npm_token}}