new issue templates (#3789)

inspired by
https://github.com/mastodon/mastodon/tree/main/.github/ISSUE_TEMPLATE

.github/ISSUE_TEMPLATE/1.bug_report.yml

@@ -0,0 +1,41 @@
+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.
+
+        If possible, attach screenshots, videos or links to posts to illustrate the problem.
+  - type: textarea
+    attributes:
+      label: Detailed description
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Steps to reproduce the problem
+      description: What were you trying to do?
+      value: |
+        1.
+        2.
+        3.
+        ...
+    validations:
+      required: false
+  - type: input
+    attributes:
+      label: Debug information
+      description: |
+        This info can be copied from the 'About' screen in Tusky 24+.
+        If you are on a lower version or can't access the screen, please provide us with the Tusky Version, Android Version, Device and the Mastodon instance this problem occurred on.
+      placeholder: |
+        Tusky Test 22.0-b814c2c0
+        Android 12
+        Fairphone 4
+        mastodon.social
+    validations:
+      required: true

.github/ISSUE_TEMPLATE/2.feature_request.yml

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+name: Feature Request
+description: I have a suggestion
+labels: [enhancement]
+body:
+  - type: markdown
+    attributes:
+      value: Please use a concise and distinct title for the issue.
+  - 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/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: true

ISSUE_TEMPLATE.md

@@ -1,9 +0,0 @@
-[Issue text goes here].
-
-* * * *
-- Tusky Version:
-- Android Version:
-- Android Device:
-- Mastodon instance (if applicable):
-
-- [ ] I searched or browsed the repo’s other issues to ensure this is not a duplicate.