add .drone.yml

.drone.yml

@@ -0,0 +1,19 @@
+---
+kind: pipeline
+type: docker
+name: lint
+
+steps:
+  - name: ansible linting
+    image: cytopia/ansible-lint
+
+    commands:
+      - ansible-lint
+  - name: markdown linting
+    image: 06kellyjac/markdownlint-cli
+    commands:
+      - markdownlint .
+    when:
+      status:
+        - success
+        - failure