format yaml file

.drone.yml

@@ -1,9 +1,9 @@
-    kind: pipeline
-    type: docker
-    name: default
+kind: pipeline
+type: docker
+name: default
 
-    steps:
-    - name: shellcheck
+steps:
+- name: shellcheck
   image: python:3
   commands:
   - apt update && apt upgrade -y && apt install -y shellcheck
@@ -14,6 +14,7 @@
   - find . -name "*.py" -exec python3 -m mccabe --min 3 '{}' + || if [ $? -eq 1 ]; then echo "you fail"; fi
   - bandit -r .
 
-    trigger:
+trigger:
   branch:
   - master
+