Add colors!

Assignments-overview.md

@@ -91,7 +91,7 @@ If not specified otherwise than its mandatory item! Mandatory items are bold, op
 
 #### Configuration example
 This configuration example is written in YAML and serves only for demostration purposes. Therefore it is not working example which can be used in real traffic. Some items can be omitted and defaults will be used.
-```
+```{.yml}
 ---  # only one document which contains job, aka. list of tasks and some general infos
 submission:
 	job-id: eval_5
@@ -198,7 +198,7 @@ Mandatory items are bold, optional italic.
     - **message** - status message on failure
 
 ### Example result file
-```
+```{.yml}
 --- # only one document which contains list of results
 job-id: 5
 results: