added drone test

.drone.yml

@@ -0,0 +1,17 @@
+---
+kind: pipeline
+type: docker
+name: default
+
+trigger:
+  branch:
+  - main 
+  event:
+  - push
+
+steps:
+- name: build
+  image: alpine
+  commands:
+  - echo "building..."
+  - echo "build complete."