Add bug report template

Author: blackboxprogramming

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -0,0 +1,31 @@
+name: Bug Report
+description: Report a bug in this product
+title: "[Bug]: "
+labels: ["bug"]
+body:
+  - type: textarea
+    id: description
+    attributes:
+      label: Describe the bug
+      placeholder: A clear description of what the bug is.
+    validations:
+      required: true
+  - type: textarea
+    id: steps
+    attributes:
+      label: Steps to reproduce
+      placeholder: "1. Go to...\n2. Click on...\n3. See error"
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected behavior
+      placeholder: What should have happened?
+  - type: dropdown
+    id: severity
+    attributes:
+      label: Severity
+      options:
+        - Low — cosmetic issue
+        - Medium — feature impaired
+        - High — feature broken
+        - Critical — system down