Add new feature request template

Author: joecummings

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -0,0 +1,57 @@
+name: ✨ Feature Request
+description: Suggest a new feature or enhancement for this project
+
+body:
+- type: markdown
+  attributes:
+    value: >
+      #### Before submitting a feature request, please search through [existing issues](https://github.com/meta-pytorch/forge/issues?q=is%3Aissue+sort%3Acreated-desc+) to see if something similar has already been proposed.
+- type: textarea
+  attributes:
+    label: 🎯 Context/Motivation
+    description: |
+      Describe the problem you're trying to solve or the use case for this feature.
+      What is the motivation behind this request? Why would this feature be valuable?
+    placeholder: |
+      Example: "When training large models, I often need to..."
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: 💡 What does this look like in pseudo-code?
+    description: |
+      Provide a rough sketch of what the API or implementation might look like.
+      This helps us understand your vision for how the feature would work.
+    placeholder: |
+      ```python
+      # Example pseudo-code showing how you envision using this feature
+      model = MyModel()
+      result = model.new_feature(...)
+      ```
+  validations:
+    required: false
+- type: textarea
+  attributes:
+    label: ✅ Acceptance Criteria
+    description: |
+      What would need to be true for this feature to be considered complete?
+      List the key requirements or behaviors expected.
+    placeholder: |
+      - [ ] The feature should support X
+      - [ ] It should handle edge case Y
+      - [ ] Documentation is updated
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: 📝 Additional Context
+    description: |
+      Add any other context, screenshots, examples, or references that would help explain the feature request.
+    placeholder: |
+      Links to similar implementations, research papers, or other relevant information.
+  validations:
+    required: false
+- type: markdown
+  attributes:
+    value: >
+      Thanks for contributing 🎉!