Add non-labeled PR to CHANGELOG

Author: dcyriller

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 ## v1.0.0 (2019-11-04)
 
+#### :memo: Documentation
+* [#18](https://github.com/dcyriller/ember-template-lint-plugin-prettier/pull/18) fix a few typos ([@efx](https://github.com/efx))
+
 #### :house: Internal
 * [#47](https://github.com/dcyriller/ember-template-lint-plugin-prettier/pull/47) templateEnvironmentData: Cleanup deprecation ([@dcyriller](https://github.com/dcyriller))
 * [#48](https://github.com/dcyriller/ember-template-lint-plugin-prettier/pull/48) CI: Log ember-template-lint and prettier versions ([@dcyriller](https://github.com/dcyriller))

RELEASE.md

@@ -0,0 +1,6 @@
+# releasing
+
+Here are the steps:
+- yarn version
+- git push origin master the-new-tag
+- yarn changelog --from=previous-tag >> CHANGELOG.md (manual cleanup)