Merge pull request #3448 from kenhys/use-forms-feature

github: use issue forms for feature request

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -0,0 +1,38 @@
+name: Feature request
+description: Suggest an idea for this project
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Check [CONTRIBUTING guideline](https://github.com/fluent/fluentd/blob/master/CONTRIBUTING.md) first and here is the list to help us investigate the problem.
+  - type: textarea
+    id: description
+    attributes:
+      label: Is your feature request related to a problem? Please describe.
+      description: |
+        A clear and concise description of what the problem is.
+        Ex. I'm always frustrated when [...]
+    validations:
+      required: true
+  - type: textarea
+    id: solution
+    attributes:
+      label: Describe the solution you'd like
+      description: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+  - type: textarea
+    id: alternative
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+    validations:
+      required: true
+  - type: textarea
+    id: addtional-context
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.
+    validations:
+      required: false
+