[Cherry Pick] Improve Github Issue Template (#4041)

* Improve Github Issue Template

- [+] feat(issue templates): update issue templates from markdown to form schema
- [+] feat(issue templates): translate issue templates to Chinese
- [+] remove(issue templates): delete old markdown issue templates

* chore: remove Chinese template issue temporarily

---------

Co-authored-by: Fred <fred@nextchat.dev>

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,53 @@
+name: Feature request
+description: Suggest an idea for this project
+title: "[Feature Request]: "
+labels: ["enhancement"]
+
+body:
+  - type: markdown
+    attributes:
+      value: "## Is your feature request related to a problem? Please describe."
+  - type: textarea
+    id: problem-description
+    attributes:
+      label: Problem Description
+      description: "A clear and concise description of what the problem is. Example: I'm always frustrated when [...]"
+      placeholder: "Explain the problem you are facing..."
+    validations:
+      required: true
+
+  - type: markdown
+    attributes:
+      value: "## Describe the solution you'd like"
+  - type: textarea
+    id: desired-solution
+    attributes:
+      label: Solution Description
+      description: A clear and concise description of what you want to happen.
+      placeholder: "Describe the solution you'd like..."
+    validations:
+      required: true
+
+  - type: markdown
+    attributes:
+      value: "## Describe alternatives you've considered"
+  - type: textarea
+    id: alternatives-considered
+    attributes:
+      label: Alternatives Considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+      placeholder: "Describe any alternative solutions or features you've considered..."
+    validations:
+      required: false
+
+  - type: markdown
+    attributes:
+      value: "## Additional context"
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional Context
+      description: Add any other context or screenshots about the feature request here.
+      placeholder: "Add any other context or screenshots about the feature request here..."
+    validations:
+      required: false