Added a pull request template (#1471)
Added a pull request template (#1471)

* Added pull request template
fix

* Removed api-change label

* Removed release and design label

Removed design label

Co-authored-by: Mark Mandel <1bfc08bf0accea0de6b2209991a2f59db27086c1@google.com>
googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones