Add drone config for CI

.drone.yml

@@ -0,0 +1,62 @@
+kind: pipeline
+name: default
+steps:
+  - name: build-prod
+    image: node:14
+    commands:
+      - npm i
+      - npm install @ionic/cli
+      - ./node_modules/bin/ionic build --prod
+      - tar czf build.tar.gz www
+  - name: release
+    image: plugins/gitea-release
+    settings:
+      api_key:
+        from_secret: gitea_api_key
+      base_url: https://code.garrettmills.dev
+      files: build.tar.gz
+      title: ${DRONE_TAG}
+    when:
+      event: tag
+  - name: send success notifications
+    image: plugins/webhook
+    settings:
+      urls:
+        from_secret: notify_webhook_url
+      content_type: application/json
+      template: |
+        {
+          "title": "Drone-CI [noded-frontend]",
+          "message": "Build ${DRONE_BUILD_NUMBER} completed successfully.",
+          "priority": 4
+        }
+    when:
+      status: success
+  - name: send error notifications
+    image: plugins/webhook
+    settings:
+      urls:
+        from_secret: notify_webhook_url
+      content_type: application/json
+      template: |
+        {
+          "title": "Drone-CI [noded-frontend]",
+          "message": "Build ${DRONE_BUILD_NUMBER} failed!",
+          "priority": 6
+        }
+    when:
+      status: failure
+#  - name: promote Flitter docs
+#    image: plugins/downstream
+#    settings:
+#      server: https://ci.garrettmills.dev
+#      token:
+#        from_secret: drone_token
+#      fork: false
+#      last_successful: true
+#      deploy: production
+#      repositories:
+#        - flitter/docs@master
+#    when:
+#      status: success
+#      event: tag