Merge branch 'mattmi/add-chef-template' of...

Merge branch 'mattmi/add-chef-template' of gitlab.com:gitlab-com/gl-infra/common-ci-tasks into mattmi/add-chef-template

templates/chef.md

@@ -12,7 +12,7 @@ The common tasks performed by this template are:
 ## Required stages
-```
+```yaml
 stages:
   - prepare
   - lint
@@ -22,7 +22,7 @@ stages:
 ```
 You can override these using input variables, such as:
-```
+```yaml
   - project: "gitlab-com/gl-infra/common-ci-tasks"
     ref: master
     file: templates/chef.yml
@@ -52,7 +52,7 @@ However, it is likely that you will want to override this in the event you have
 An example overridden job that you may have in your repo's local `.gitlab-ci.yml` may look like:
-```
+```yaml
 kitchen:
   stage: integration
   retry: 2
@@ -80,7 +80,7 @@ Note the comments in the KITCHEN_SUITE parallel matrix. These are to be used in
 If a cookbook doesn't have kitchen tests, you can remove them from execution by changing the execution stage like:
-```
+```yaml
   - project: "gitlab-com/gl-infra/common-ci-tasks"
     ref: master
     file: templates/chef.yml