PR template: line wrapping

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

.github/pull_request_template.md

@@ -1,6 +1,8 @@
 ### Testing 
-Writing tests is very important. Please try to write some tests for your PR. If you need help, please do not hesitate to
-ask in this PR for help.
+Writing tests is very important. Please try to write some tests for your PR. 
+
+If you need help, please do not hesitate to ask in this PR for help.
+
 - [ ] [unit tests](https://github.com/nextcloud/android/blob/master/CONTRIBUTING.md#unit-tests)
 - [ ] [instrumented tests](https://github.com/nextcloud/android/blob/master/CONTRIBUTING.md#instrumented-tests)
 - [ ] [UI tests](https://github.com/nextcloud/android/blob/master/CONTRIBUTING.md#ui-tests)