Pull request template

Reminder type of pull request template to help us perhaps remember
better certain things.

- Add missing link

Change-Id: I868dd2ec737f4cf977747b551b1d385579339683
Signed-off-by: Janne Kiiskila <janne.kiiskila@pelion.com>

Author: Janne Kiiskila

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,37 @@
+# Pull Request Checklist
+
+## Description
+
+```
+submitter: Please add a description of your PR here.
+```
+
+## Test plan
+
+```
+submitter: Write here a way to test your changes. What needs to be done to fully see the impact of your changes?
+```
+
+## Check list
+
+```
+submitter: Please update the list below. You can mark sections as `not applicable` if they are not applicable for this pull request.
+When some check is not necessary for this PR then please state a reason why it can be omitted.
+```
+
+ - [ ] pull request is targeting `dev` branch
+ - [ ] commits have been signed-off
+ - [ ] documentation has been updated
+ - [ ] build scripts and jenkins scripts have been updated
+ - [ ] new configuration has been documented
+ - [ ] necessary log entries have been added or updated
+ - [ ] tests have been updated
+
+## Licensing
+
+I hereby confirm and sign-off the work is of my original doing and adheres to the
+[existing MIT license](https://github.com/PelionIoT/manifest-lmp-pelion-edge/blob/master/LICENSE) in this repository.
+
+ - [ ] confirm MIT license compliance
+
+