Add Gitea issue templates

.gitea/ISSUE_TEMPLATE/regression.yaml

@@ -0,0 +1,69 @@
+name: Regression
+about: Something that worked before and is now broken
+title: "[Regression]: "
+labels:
+  - kind/bug
+  - state/regression
+  - severity/high
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Use this when behaviour changed between versions or after a patch.
+
+  - type: input
+    id: last-good
+    attributes:
+      label: Last known good version
+      placeholder: e.g. v0.1
+    validations:
+      required: true
+
+  - type: input
+    id: first-bad
+    attributes:
+      label: First known bad version
+      placeholder: e.g. v0.2
+    validations:
+      required: true
+
+  - type: dropdown
+    id: area
+    attributes:
+      label: Area
+      options:
+        - transport
+        - gui-basic
+        - arb
+        - presets
+        - config
+        - screenshot
+        - scpi-cli
+        - burst
+        - sweep
+    validations:
+      required: true
+
+  - type: textarea
+    id: repro
+    attributes:
+      label: Reproduction
+      placeholder: Describe the exact steps that still worked before and now fail.
+    validations:
+      required: true
+
+  - type: textarea
+    id: impact
+    attributes:
+      label: Impact
+      placeholder: What does this break in normal use?
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Error text / SCPI response / traceback
+      placeholder: Paste relevant evidence here
+    validations:
+      required: false