Add package publishing step to build workflow

.gitea/workflows/build.yml

@@ -23,3 +23,8 @@ jobs:
         run: npm ci
       - name: Build project
         run: npm run build
+      - name: Publish package
+        run: |
+          npm config set @slawek:registry=https://gitea.koszewscy.waw.pl/api/packages/slawek/npm/
+          npm config set -- '//gitea.koszewscy.waw.pl/api/packages/slawek/npm/:_authToken' "${{ secrets.CI_TOKEN }}"
+          npm publish --access public