Replace to issue form (#16429)

.github/ISSUE_TEMPLATE/1.bug_report.yml

+name: Bug Report
+description: If something isn't working as expected
+labels: bug
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Make sure that you are submitting a new bug that was not previously reported or already fixed.
+
+        Please use a concise and distinct title for the issue.
+  - type: input
+    attributes:
+      label: Expected behaviour
+      description: What should have happened?
+    validations:
+      required: true
+  - type: input
+    attributes:
+      label: Actual behaviour
+      description: What happened?
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Steps to reproduce the problem
+      description: What were you trying to do?
+      value: |
+        1.
+        2.
+        3.
+        ...
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Specifications
+      description: |
+        What version or commit hash of Mastodon did you find this bug in?
+
+        If a front-end issue, what browser and operating systems were you using?
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/2.feature_request.yml

+name: Feature Request
+description: I have a suggestion
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Please use a concise and distinct title for the issue.
+
+        Consider: Could it be implemented as a 3rd party app using the REST API instead?
+  - type: textarea
+    attributes:
+      label: Pitch
+      description: Describe your idea for a feature. Make sure it has not already been suggested/implemented/turned down before.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Motivation
+      description: Why do you think this feature is needed? Who would benefit from it?
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/support.md → .github/ISSUE_TEMPLATE/3.support.md

 ---
 name: Support
 about: Ask for help with your deployment
-
+title: DO NOT CREATE THIS ISSUE
 ---
 
 We primarily use GitHub as a bug and feature tracker. For usage questions, troubleshooting of deployments and other individual technical assistance, please use one of the resources below:

.github/ISSUE_TEMPLATE/bug_report.md

----
-name: Bug Report
-about: If something isn't working as expected
-labels: bug
----
-
-<!-- Make sure that you are submitting a new bug that was not previously reported or already fixed -->
-
-<!-- Please use a concise and distinct title for the issue -->
-
-### Expected behaviour
-
-<!-- What should have happened? -->
-
-### Actual behaviour
-
-<!-- What happened? -->
-
-### Steps to reproduce the problem
-
-<!-- What were you trying to do? -->
-
-### Specifications
-
-<!-- What version or commit hash of Mastodon did you find this bug in? -->
-
-<!-- If a front-end issue, what browser and operating systems were you using? -->

.github/ISSUE_TEMPLATE/feature_request.md

----
-name: Feature Request
-about: I have a suggestion
----
-
-<!-- Please use a concise and distinct title for the issue -->
-
-<!-- Consider: Could it be implemented as a 3rd party app using the REST API instead? -->
-
-### Pitch
-
-<!-- Describe your idea for a feature. Make sure it has not already been suggested/implemented/turned down before -->
-
-### Motivation
-
-<!-- Why do you think this feature is needed? Who would benefit from it? -->