chore(release): 1.1.0 [skip ci]

# [1.1.0](v1.0.0...v1.1.0) (2020-06-22)

### Features

* **.markdownlint.json:** accept YAML header ([74a914c7](74a914c7))
* add YAML header back to file ([71b57de8](71b57de8))

CHANGELOG.md

+# [1.1.0](https://gitlab.gwdg.de/fe/technical-reference/compare/v1.0.0...v1.1.0) (2020-06-22)
+
+
+### Features
+
+* **.markdownlint.json:** accept YAML header ([74a914c](https://gitlab.gwdg.de/fe/technical-reference/commit/74a914c741e8eb20e969bdd9a4460edee19952e6))
+* add YAML header back to file ([71b57de](https://gitlab.gwdg.de/fe/technical-reference/commit/71b57de832284c2ce7fdd46401ee77b3bf696057))
+
 # 1.0.0 (2020-06-22)