docs: update docs

.github/ISSUE_TEMPLATE/bug_report.md

@@ -10,26 +10,39 @@ assignees: mob-sakai
 NOTE: Your issue may already be reported! Please search on the [issue tracker](../) before creating one.
 
 **Describe the bug**
+
 A clear and concise description of what the bug is.
 
 **To Reproduce**
+
 Steps to reproduce the behavior:
+
 1. Go to '...'
 2. Click on '....'
 3. Scroll down to '....'
 4. See error
 
 **Expected behavior**
+
 A clear and concise description of what you expected to happen.
 
 **Screenshots**
+
 If applicable, add screenshots to help explain your problem.
 
-**Environment (please complete the following information):**
- - Version [e.g. 1.0.0]
- - Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
- - Unity version: [e.g. 2018.2.8f1]
- - Build options: [e.g. IL2CPP, .Net 4.x, LWRP]
+**Environment (please complete the following)**
+
+- Package version [e.g. 4.2.0, 3.3.14]
+- Platform: [e.g. Editor(Windows/Mac), Standalone(Windows/Mac), iOS, Android, WebGL]
+- Unity version: [e.g. 2021.3.7f1]
+- Project options: [e.g. Mono/IL2CPP, .Net Standard 2.1/.Net 4.x, URP/HDRP, GraphicAPIs]
 
 **Additional context**
-Add any other context about the problem here.
+
+Please add any other context about the issue here.
+It will help us resolve the issue.
+
+- Error messages and crash dump
+- Screenshots, gif animations and movie files
+- Reproducible minimal project
+    - The entire project (zipped Assets, Packages, ProjectSettings) is preferred over `.unitypackage`

.github/ISSUE_TEMPLATE/feature_request.md

@@ -10,13 +10,17 @@ assignees: mob-sakai
 NOTE: Your issue may already be reported! Please search on the [issue tracker](../) before creating one.
 
 **Is your feature request related to a problem? Please describe.**
-A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+A clear and concise description of what the issue is. (e.g. I'm always frustrated when [...])
 
 **Describe the solution you'd like**
+
 A clear and concise description of what you want to happen.
 
 **Describe alternatives you've considered**
+
 A clear and concise description of any alternative solutions or features you've considered.
 
 **Additional context**
+
 Add any other context or screenshots about the feature request here.