chore: import upstream snapshot with attribution

.github/ISSUE_TEMPLATE/feature-request.yaml

@@ -0,0 +1,29 @@
+name: 🚀 MCP Python SDK Feature Request
+description: "Suggest a new feature for the MCP Python SDK"
+labels: ["feature request"]
+
+body:
+  - type: markdown
+    attributes:
+      value: Thank you for contributing to the MCP Python SDK! ✊
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: |
+        Please give as much detail as possible about the feature you would like to suggest. 🙏
+
+        You might like to add:
+        * A demo of how code might look when using the feature
+        * Your use case(s) for the feature
+        * Reference to other projects that have a similar feature
+    validations:
+      required: true
+
+  - type: textarea
+    id: references
+    attributes:
+      label: References
+      description: |
+        Please add any links or references that might help us understand your feature request better. 📚