Add issue and pull request template (#578)

* feat: add issue templates for bug reports, feature requests, and custom issues

* feat: add pull request template for better contribution guidelines

.github/ISSUE_TEMPLATE/01-bug_report.yml

@@ -0,0 +1,59 @@
+name: Bug Report
+description: Create a report to help us improve
+title: "[Bug]: "
+labels: ["bug"]
+assignees:
+  - L4Ph
+  - saicaca
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+  - type: textarea
+    id: bug-description
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is.
+    validations:
+      required: true
+  - type: textarea
+    id: to-reproduce
+    attributes:
+      label: To Reproduce
+      description: Steps to reproduce the behavior.
+      placeholder: |
+        1. Go to '...'
+        2. Click on '....'
+        3. Scroll down to '....'
+        4. See error
+    validations:
+      required: true
+  - type: textarea
+    id: expected-behavior
+    attributes:
+      label: Expected behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+  - type: dropdown
+    id: os
+    attributes:
+      label: OS
+      multiple: true
+      options:
+        - Windows
+        - macOS
+        - Linux
+        - Android
+        - iOS
+  - type: input
+    id: browser
+    attributes:
+      label: Browser
+      placeholder: e.g. chrome, safari
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem here.

.github/ISSUE_TEMPLATE/02-feature_request.yml

@@ -0,0 +1,41 @@
+name: Feature Request
+description: Suggest an idea for this project
+title: "[Feature]: "
+labels: ["enhancement"]
+assignees:
+  - saicaca
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this feature request!
+  - type: textarea
+    id: related-problem
+    attributes:
+      label: Is your feature request related to a problem?
+      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: alternatives
+    attributes:
+      label: Describe alternatives you've considered
+      description: A clear and concise description of any alternative solutions or features you've considered.
+  - type: textarea
+    id: additional-context
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.
+  - type: markdown
+    attributes:
+      value: |
+        **Disclaimer**
+
+        Please note that this feature request is at the discretion of the repository owner, @saicaca, and its implementation is not guaranteed.

.github/ISSUE_TEMPLATE/03-custom_issue.yml

@@ -0,0 +1,11 @@
+name: Custom Issue
+description: Describe your issue here.
+title: "[Other]: "
+body:
+  - type: textarea
+    id: issue-description
+    attributes:
+      label: Issue Description
+      description: Please describe your issue.
+    validations:
+      required: true

.github/pull_request_template.md

@@ -0,0 +1,37 @@
+## Type of change
+
+- [ ] Bug fix (a non-breaking change that fixes an issue)
+- [ ] New feature (a non-breaking change that adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Other (please describe):
+
+## Checklist
+
+- [ ] I have read the [**CONTRIBUTING**](https://github.com/saicaca/fuwari/blob/main/CONTRIBUTING.md) document.
+- [ ] I have checked to ensure that this Pull Request is not for personal changes.
+- [ ] I have performed a self-review of my own code.
+- [ ] My changes generate no new warnings.
+
+## Related Issue
+
+<!-- Please link to the issue that this pull request addresses. e.g. #123 -->
+
+
+## Changes
+
+<!-- Please describe the changes you made in this pull request. -->
+
+
+## How To Test
+
+<!-- Please describe how you tested your changes. -->
+
+
+## Screenshots (if applicable)
+
+<!-- If you made any UI changes, please include screenshots. -->
+
+
+## Additional Notes
+
+<!-- Any additional information that you want to share with the reviewer. -->