Add drone-YAML.

.drone.yml

@@ -0,0 +1,16 @@
+kind: pipeline
+type: docker
+name: default
+steps:
+  - name: install
+    image: node:20-alpine
+    commands:
+      - apk add firefox
+      - npm run lint
+      - npm run build
+    when:
+      ref:
+        include:
+          - refs/head/master
+          - refs/head/feature/**
+          - refs/tags/**