add drone

.drone.yml

@@ -0,0 +1,16 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+  - name: run-scheduled-task
+    image: python:3.10
+    commands:
+      - pip install -r requirements.txt  # 如果有依赖
+      - python task.py
+
+trigger:
+  event:
+    - cron
+
+