Update issue templates

Author: lum1n0us

.github/ISSUE_TEMPLATE/blank_issue.md

@@ -2,4 +2,9 @@
 name: Blank Issue
 about: Create a blank issue.
 title: ''
+labels: ''
+assignees: ''
+
 ---
+
+

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,40 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: 'Add a placeholder for issue title. ex: [BUG]'
+labels: bug
+assignees: ''
+
+---
+
+**Is it a security vulnerability?**
+If it results in a crash or hang, please report it through [a security advisor](https://github.com/bytecodealliance/wasm-micro-runtime/security/advisories) and allow the maintainer to make a decision. Thank you.
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Version**
+Information like tags, release version, commits.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Compile iwasm with flags like '...'
+2. (Optional) Compile wamrc with flags like '....'
+3. (Optional) Run wamrc with CLI options like '...' to generate .aot
+4. Run iwasm with CLI options like '...'
+5. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Actual Result**
+What you've got.
+
+**Desktop (please complete the following information):**
+ - Arch [e.g. x86_64, arm64, 32bit]
+ - Board [e.g. STM32F407]
+ - OS [e.g. Linux, Windows, macOS, FreeRTOS]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1 @@
+blank_issues_enabled: true

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: 'Add a placeholder for issue title. ex: [RFC]'
+labels: help wanted
+assignees: ''
+
+---
+
+**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 [...]
+
+**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.