rename screens folder to images

SWIFTLINT.md

@@ -39,7 +39,7 @@ You'll need to configure Xcode to remove trailing whitespace from all lines. Thi
 
 In Xcode's Preferences, select **Text Editing** ▸ **Editing** and check **Including whitespace-only lines**. 
 
-![](screens/trailing-whitespace.png)
+![](images/trailing-whitespace.png)
 
 ## Handling rule exceptions
 
@@ -72,7 +72,7 @@ If you must disable rules in your project, leave those in-line comments in the p
 
 Finally, if you're not sure which rule is triggering a warning, you can find the rule name in parentheses at the end of message:
 
-![](screens/swiftlint-warning.png)
+![](images/swiftlint-warning.png)
 
 ## Approved exceptions
 

docs/testing/local_coverage.md

@@ -5,10 +5,10 @@ Although full coverage it's not our finality, we use this metric as a way to be
 ## Checking the coverage locally
 Once you run the tests locally you should be able to see the tests by going to the logs pane of the project navigation panel under the coverage section for that build run.
 
-![](../../screens/locating_coverage.png)
+![](../../images/locating_coverage.png)
 
 ## Coverage results
 
 Our advice is that you run coverage before and after implementing a feature, so that you can assess how the code and tests you developed affected coverage.
 
-![](../../screens/coverage_percent.png)
+![](../../images/coverage_percent.png)