Fix self-links to issues and documentation

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I’m running codemods on an old application and encountered a broken link when there were transformation errors:

 ERR app/controllers/rides.js Transformation error (Validation errors for class 'RidesController': 		[actions]: Transform not supported - [submit]: action name matches one of the lifecycle hooks. Rename and try again. See https://github.com/scalvert/ember-native-class-codemod/issues/34 for more details)
ValidationError: Validation errors for class 'RidesController':
		[actions]: Transform not supported - [submit]: action name matches one of the lifecycle hooks. Rename and try again. See https://github.com/scalvert/ember-native-class-codemod/issues/34 for more details
    at maybeTransformEmberObjects (/Users/b/.npm/_npx/4e4aff0f1510c9e0/node_modules/ember-native-class-codemod/transforms/helpers/transform.js:16:19)
    at transformer (/Users/b/.npm/_npx/4e4aff0f1510c9e0/node_modules/ember-native-class-codemod/transforms/ember-object/index.js:41:39)

I did a find/replace on all references to the old repository slug, since they all have the same problem.

Thanks for the ongoing maintenance of this, I’m glad it’s still around 🎉