Propose-a-change: link the questions repo as the reference

A linked card straight from Gitea's repo info - proposers can read
what exists before proposing against it.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

questions/develop-proposal.yaml

@@ -19,6 +19,17 @@ alternatives:
     encouragements:
       - Every proposal gets read by a person before anything moves.
     features:
+      - name: The reference
+        description: >
+          Every page this site serves, verbatim — check what exists
+          before proposing against it.
+        resource:
+          public: true
+          source:
+            kind: url
+            url: https://project.uhhm.no/api/v1/repos/uhhm/questions
+          jq: >
+            {name: .full_name, description: .description, url: .html_url}
       - name: Sign it
         description: >
           A proposal is a stance — it carries a name, and an address