[HOPSWORKS-428]  Add pull request template (#856)
[HOPSWORKS-428]  Add pull request template (#856)


berthoug/hopsworks,AlexHopsworks/hopsworks,berthoug/hopsworks,ErmiasG/hopsworks,ErmiasG/hopsworks,AlexHopsworks/hopsworks,ErmiasG/hopsworks,ErmiasG/hopsworks,AlexHopsworks/hopsworks,AlexHopsworks/hopsworks,berthoug/hopsworks,berthoug/hopsworks,ErmiasG/hopsworks,berthoug/hopsworks,berthoug/hopsworks,ErmiasG/hopsworks,AlexHopsworks/hopsworks,AlexHopsworks/hopsworks