Tweak issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -7,18 +7,48 @@ assignees: ''
 
 ---
 
+## Introduction
+
 <!--
-Thank you for reporting bugs. It will definitely improve our project.
-Please write bug details here. If you have reproducible code, writing it together makes it easier to investigate.
+Thank you for reporting a bug. It will definitely improve our project.
+Please share the bug summary and assumptions first.
 
 ```hcl
 // Write code here
 ```
+-->
+
+## Expected Behavior
+
+<!--
+Under the above assumptions, please explain what you expect and what you do.
+
+```console
+// Write output or debug log
+```
+-->
+
+## Actual behavior
+
+<!--
+Please explain the problem you are facing and the current situation for the expected behavior.
+
+```console
+// Write output or debug log
+```
+-->
+
+## Step to Reproduce
 
-Also please share any additional context if you have, such as running in VS Code.
+<!--
+Please explain how we can reproduce the problem.
+
+```hcl
+// Write code here
+```
 -->
 
-## Version
+## Additional Context
 
 <!--
 It is a good practice to list the versions where the bug occurred.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,6 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Discussions
+    url: https://github.com/terraform-linters/tflint/discussions/new
+    about: |
+      Ask a question, Share an idea, knowledge

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,28 @@
+---
+name: Feature proposals
+about: Propose a feature with clarified how to implement
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+## Introduction
+
+<!--
+Thank you for your feature proposals.
+Please write an outline of the proposal first.
+It is good to explain what kind of problem you want to solve and what you are happy to be able to do.
+-->
+
+## Proposal
+
+<!--
+Please explain your ideas, including implementations, of what approaches you can take to solve the problem.
+-->
+
+## References
+
+<!--
+Please list references you referred to when writing this proposal.
+-->