link to CoC from README and CONTRIBUTING

CONTRIBUTING.md

@@ -2,8 +2,9 @@
 
 :+1::tada: First off, thanks for taking the time to contribute! :tada::+1:
 
-This project adheres to the [Contributor Covenant 1.2](http://contributor-covenant.org/version/1/2/0).
-By participating, you are expected to uphold this code. Please report unacceptable behavior to [email protected].
+This project adheres to the Contributor Covenant [code of conduct](CODE_OF_CONDUCT.md).
+By participating, you are expected to uphold this code. Please report unacceptable
+behavior to [email protected].
 
 The following is a set of guidelines for contributing to Electron.
 These are just guidelines, not rules, use your best judgment and feel free to

README.md

@@ -14,9 +14,9 @@ editor](https://github.com/atom/atom).
 Follow [@ElectronJS](https://twitter.com/electronjs) on Twitter for important
 announcements.
 
-This project adheres to the [Contributor Covenant 1.2](http://contributor-covenant.org/version/1/2/0/).
-By participating, you are expected to uphold this code. Please report
-unacceptable behavior to [email protected].
+This project adheres to the Contributor Covenant [code of conduct](CODE_OF_CONDUCT.md).
+By participating, you are expected to uphold this code. Please report unacceptable
+behavior to [email protected].
 
 ## Downloads