ci: 👷 add drone ci

.drone.yaml

@@ -0,0 +1,55 @@
+---
+kind: pipeline
+type: docker
+name: Gitea Actions Demo
+
+steps:
+  - name: echo event
+    image: alpine:latest
+    commands:
+      - echo "🎉 The job was automatically triggered by a push event."
+
+  - name: echo runner os
+    image: alpine:latest
+    commands:
+      - echo "🐧 This job is now running on a Linux server hosted by Gitea!"
+
+  - name: echo branch and repository
+    image: alpine:latest
+    commands:
+      - echo "🔎 The name of your branch is $DRONE_COMMIT_BRANCH and your repository is $DRONE_REPO."
+
+  - name: checkout repository
+    image: alpine:latest
+    commands:
+      - apk add --no-cache git
+      - git clone http://172.17.0.1:3000/$DRONE_REPO.git .
+
+  - name: echo repository cloned
+    image: alpine:latest
+    commands:
+      - echo "💡 The $DRONE_REPO repository has been cloned to the runner."
+
+  - name: echo workflow ready
+    image: alpine:latest
+    commands:
+      - echo "🖥️ The workflow is now ready to test your code on the runner."
+
+  - name: list files in repository
+    image: alpine:latest
+    commands:
+      - ls .
+
+  - name: echo job status
+    image: alpine:latest
+    commands:
+      - echo "🍏 This job's status is $DRONE_BUILD_STATUS."
+
+trigger:
+  event:
+    - push
+
+environment:
+  http_proxy: http://172.17.0.1:7890
+  https_proxy: http://172.17.0.1:7890
+