chore: add issue templates

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,44 @@
+name: Feature request
+description: "Suggest an idea for this project."
+body:
+  - type: checkboxes
+    id: terms
+    attributes:
+      label: Welcome
+      options:
+        - label: Yes, I understand that the GitHub action repository is not the repository of golangci-lint itself.
+          required: true
+        - label: Yes, I've searched similar issues on GitHub and didn't find any.
+          required: true
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Your feature request related to a problem? Please describe.
+      placeholder: "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.
+      placeholder: "A clear and concise description of what you want to happen."
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Describe alternatives you've considered.
+      placeholder: "A clear and concise description of any alternative solutions or features you've considered."
+    validations:
+      required: true
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional context.
+      placeholder: "Add any other context or screenshots about the feature request here."
+    validations:
+      required: false