fix issue template ordering, add template for ref docs

.github/ISSUE_TEMPLATE/06-reference-docs.yml

@@ -0,0 +1,54 @@
+name: Reference Documentation
+description: Report an issue related to API reference documentation.
+title: "[reference]: <Please write a comprehensive title>"
+labels: [reference]
+
+body:
+  - type: dropdown
+    attributes:
+      label: "Type of issue"
+      description: "What type of reference documentation issue are you reporting?"
+      options:
+        - issue / bug
+        - missing documentation
+        - incorrect type signature
+        - outdated/deprecated content
+        - other
+      default: 0
+    validations:
+      required: true
+  - type: dropdown
+    attributes:
+      label: "Language"
+      description: "What language is the reference documentation issue related to?"
+      options:
+        - Python
+        - JavaScript
+        - N/A
+      default: 0
+    validations:
+      required: true
+  - type: dropdown
+    attributes:
+      label: "Product"
+      description: "Which product's reference docs is this issue related to?"
+      options:
+        - LangChain
+        - LangGraph
+        - LangSmith
+        - Other
+      default: 0
+  - type: input
+    attributes:
+      label: "Link to reference page"
+      description: "URL to the specific reference page with the issue (if applicable)"
+  - type: textarea
+    attributes:
+      label: "Description"
+      description: >
+        Please describe your issue in detail.
+        For missing documentation, specify the class/method/function that needs documentation.
+        For incorrect signatures, provide the expected vs. actual signature.
+        For bugs, include what you expected to see vs. what you actually see.
+    validations:
+      required: true