docs: Rename 'use cases' to 'scenarios'

docs/content/usage/scenarios/_index.md

@@ -1,14 +1,14 @@
 +++
-title = "Use Cases"
+title = "Scenarios"
 date = 2020-08-12T12:52:59+03:00
 weight = 3
 chapter = true
 pre = "<i class='fas fa-map-marked-alt'></i> "
 +++
 
-# Use cases
+# Scenarios
 
-This section describes possible use cases for the Infection Monkey and how you can configure the tool. 
+This section describes possible scenarios for the Infection Monkey and how you can configure the tool. 
 You can also refer to [our FAQ](../../faq) for more specific questions and answers.
 
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