match pi-hole core templates

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,11 +1,28 @@
-Fixes #[issue number] .
+**By submitting this pull request, I confirm the following (please check boxes, eg [X]) _Failure to fill the template will close your PR_:**
 
-Changes proposed in this pull request:
+***Please submit all pull requests against the `development` branch. Failure to do so will delay or deny your request***
 
-- 
+- [] I have read and understood the [contributors guide](https://github.com/pi-hole/pi-hole/blob/master/CONTRIBUTING.md).
+- [] I have checked that [another pull request](https://github.com/pi-hole/pi-hole/pulls) for this purpose does not exist.
+- [] I have considered, and confirmed that this submission will be valuable to others.
+- [] I accept that this submission may not be used, and the pull request closed at the will of the maintainer.
+- [] I give this submission freely, and claim no ownership to its content.
 
-- 
+**How familiar are you with the codebase?:**
 
-- 
+- [] 1 (very unfamiliar)
+- [] 2
+- [] 3
+- [] 4
+- [] 5
+- [] 6
+- [] 7
+- [] 8
+- [] 9
+- [] 10 (very familiar)
 
-@pi-hole/dashboard
+---
+_{replace this line with your pull request content}_
+
+
+_This template was created based on the work of [`udemy-dl`](https://github.com/nishad/udemy-dl/blob/master/LICENSE)._