chore: add issue template

.github/ISSUE_TEMPLATE/bug.yml

@@ -0,0 +1,32 @@
+name: Bug Report
+description: File a bug report
+labels: ["bug"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        A bug is when something works differently than it is expected to.
+        ## Remember to search before filing a new report
+        Please search for this bug in the issue tracker, and use a bug report title that
+        would have made your bug report turn up in the search results for your search query.
+  - type: textarea
+    id: version
+    attributes:
+      label: "Viv & python/pip version info"
+      description: Please include the output of `viv manage show --system` or `python3 <(curl -fsSL viv.dayl.in/viv.py) manage show --system`
+    validations:
+      required: true
+  - type: textarea
+    id: repro
+    attributes:
+      label: Steps to Reproduce and Observed Behavior
+      description: What exactly can someone else do, in order to observe the problem that you observed? Include the output and all error messages.
+    validations:
+      required: true
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Behavior
+      description: What did you expect to happen instead?
+    validations:
+      required: true