Add yamllint;Fix yamllint errors

.drone.yml

@@ -14,6 +14,8 @@ steps:
 - name: Active Directory Certificate Services
   image: bv11-cr01.bessems.eu/library/packer-extended
   commands:
+  - |
+    yamllint -d "{extends: relaxed, rules: {line-length: disable}}" scripts
   - |
     packer validate \
       -var-file=packer/variables.vsphere.json \

scripts/ADCS/payload/scripts/01.Foo.yml

@@ -1,2 +1,2 @@
 Foo:
-- Bar
+- Bar