Add branch checking

.drone.yml

@@ -4,6 +4,25 @@ name: default
 ports: [3001]
 
 steps:
+  # Other branches
+  - name: install depends
+    image: node:18
+      commands:
+      - npm install
+    when:
+      branch:
+        exclude:
+          - master
+  - name: test
+    image: node:18
+      commands:
+      - npm run lint
+    when:
+      branch:
+        exclude:
+          - master
+
+  # Main branches
   - name: docker
     image: plugins/docker
     settings:
@@ -13,3 +32,6 @@ steps:
         from_secret: dockerhub_password
       repo: fascinated/beatsaber-overlay
       tags: latest
+      when:
+        branch:
+        - main