Prettify markdown files

CODE_OF_CONDUCT.md

@@ -5,6 +5,7 @@ For more details, please read the
 [Mozilla Community Participation Guidelines](https://www.mozilla.org/about/governance/policies/participation/).
 
 ## How to Report
+
 For more information on how to report violations of the Community Participation Guidelines, please read our '[How to Report](https://www.mozilla.org/about/governance/policies/participation/reporting/)' page.
 
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