feat: patch requests issue template (#467)

Closes: revanced/revanced-patches#463

.github/ISSUE_TEMPLATE/patch-request.yml

@@ -0,0 +1,29 @@
+name: ⭐ Patch Request
+description: Create a detailed patch request.
+title: 'feat(patch): '
+labels: [patch-request]
+body:
+  - type: textarea
+    attributes:
+      label: Application
+      description: Which application is this patch for?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Issue
+      description: What is the issue this patch should solve?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Patch
+      description: "Describe the patch you'd like to see in detail."
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Motivation
+      description: Why should your patch request should be considered? What makes it valuable to the community?
+    validations:
+      required: true