Add feature request template

.github/ISSUE_TEMPLATE/02_feature-request.yml

@@ -0,0 +1,50 @@
+name: ✨ Feature request
+description: Suggest a feature or enhancement
+labels: [type:enhancement]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to suggest a feature or enhancement ❤️
+  - type: checkboxes
+    attributes:
+      label: Checklist
+      description: Please confirm and check all the following options.
+      options:
+        - label: I have searched the [existing issues](https://github.com/lukasmasuch/streamlit-pydantic/issues) for similar feature requests.
+          required: true
+        - label: I added a descriptive title and summary to this issue.
+          required: true
+  - type: textarea
+    attributes:
+      label: Summary
+      description: Type here a clear and concise description of the feature or enhancement request. Aim for 2-3 sentences.
+    validations:
+      required: true
+  - type: textarea
+    attributes:
+      label: Why?
+      description: Please outline the problem, motivation, or use case related to this feature request.
+      placeholder: |
+        I'm always frustrated when ...
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: How?
+      description: |
+        Please describe the solution or implementation you'd like to see.
+        Don't worry if you don't have a clear solution in mind; any input helps!
+      placeholder: |
+        Introduce a new command called `sp.pydantic_foo` with the following set of parameters...
+    validations:
+      required: false
+  - type: textarea
+    attributes:
+      label: Additional Context
+      description: |
+        Links? References? Anything that will give us more context about the feature request here!
+
+        _Tip: You can attach images by clicking this area to highlight it and then dragging files in._
+    validations:
+      required: false