Drone: add npm build pipeline

.drone.yml

@@ -39,3 +39,39 @@ steps:
     commands:
       - cd docs/deploy && kubectl apply -f .
       - kubectl rollout restart -n extollo deployment/docs
+
+---
+kind: pipeline
+type: kubernetes
+name: npm
+
+steps:
+  - name: node.js build
+    image: node:18
+    commands:
+      - "npm add --global pnpm"
+      - pnpm i
+      - pnpm build
+
+  - name: gitea release
+    image: plugins/gitea-release
+    settings:
+      api_key:
+        from_secret: GITEA_TOKEN
+      base_url: https://code.garrettmills.dev
+      checksum: md5
+      title: ${DRONE_TAG}
+    when:
+      event: tag
+      status: success
+
+  - name: npm release
+    image: plugins/npm
+    settings:
+      username: extollo_bot
+      password:
+        from_secret: NPM_PASSWORD
+      email: extollo@garrettmills.dev
+    when:
+      event: tag
+      status: success