Add recognition update issue template

This new issue template allows users to submit public proof or documentation signals for the WFGY evidence layer, including various fields for details and validation.

.github/ISSUE_TEMPLATE/recognition_update.yml

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+name: Recognition update
+description: Submit a public proof, integration, citation, mention, or documentation signal that may belong in the WFGY evidence layer.
+title: "[Recognition] "
+labels:
+  - recognition
+  - proof
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for helping improve the WFGY public evidence layer.
+
+        Use this form for:
+        - public integrations
+        - citations
+        - public mentions
+        - docs references
+        - candidate additions for Recognition Map, Adopters, Case Evidence, or Evidence Timeline
+
+        Please share stable public proof where possible.
+
+  - type: dropdown
+    id: target_surface
+    attributes:
+      label: Target surface
+      description: Where do you think this update most likely belongs
+      options:
+        - Recognition Map
+        - Adopters
+        - Case Evidence
+        - Evidence Timeline
+        - Not sure
+    validations:
+      required: true
+
+  - type: dropdown
+    id: signal_type
+    attributes:
+      label: Signal type
+      description: What kind of public signal is this
+      options:
+        - Integration
+        - Citation
+        - Mention
+        - Documentation reference
+        - Release or milestone
+        - Other
+    validations:
+      required: true
+
+  - type: input
+    id: project_name
+    attributes:
+      label: Project or source name
+      description: Name of the repo, org, paper, article, survey, or public source
+      placeholder: e.g. LlamaIndex, RAGFlow, ToolUniverse
+    validations:
+      required: true
+
+  - type: input
+    id: proof_link
+    attributes:
+      label: Public proof link
+      description: Stable public link to the relevant PR, issue, doc page, article, release, or other source
+      placeholder: https://github.com/...
+    validations:
+      required: true
+
+  - type: textarea
+    id: summary
+    attributes:
+      label: What happened
+      description: Briefly describe what became public and why it matters
+      placeholder: A short explanation of the public proof and why it may matter for WFGY
+    validations:
+      required: true
+
+  - type: textarea
+    id: suggested_reading
+    attributes:
+      label: Suggested reading
+      description: How should this be read conservatively
+      placeholder: e.g. docs mention only, merged integration, research-facing citation, packaging milestone
+    validations:
+      required: false
+
+  - type: textarea
+    id: suggested_location
+    attributes:
+      label: Suggested placement
+      description: If you have a recommendation, say where this should go
+      placeholder: e.g. Recognition Map only, Adopters summary, Case Evidence, Evidence Timeline
+    validations:
+      required: false
+
+  - type: checkboxes
+    id: checklist
+    attributes:
+      label: Checklist
+      options:
+        - label: I included a public link that other people can verify
+          required: true
+        - label: I am not claiming paid adoption unless there is explicit public proof
+          required: true
+        - label: I understand this may be moved to a different evidence page after review
+          required: true