message: chore: update bug report issue template
diff: @@ -4,14 +4,23 @@ about: Create a report to help us improve
  labels: t:bug
  ---
  -**Environment**
  +## Bug Report
  -- **CKB version**: output of `ckb --version`
  -- **Chain**: dev / staging / testnet / mainnet ...
  -- **Operating system**: Linux / macOS / Windows
  +<!-- Thanks for your bug report! We appreciate your time to fill following sections to help us locate the root cause. -->
  +
  +### Environment
  +
  +- **CKB version**: <!-- output of `ckb --version` -->
  +- **Chain**: dev / staging / testnet / mainnet
  +- **Operating system**: Linux / macOS / Windows <!-- or output of `uname -a` -->
  - **Arch**: x64
  - **Installation**: GitHub Release / Built from source
  -**Describe the bug**
  +### Steps to reproduce
  +
  +### Expected behavior
  +
  +### What actually happened
  -_Your issue description goes here below. Try to include **actual** vs. **expected behavior** and **steps to reproduce** the issue._
  +### Attachments
  +<!-- Attach links to transactions and blocks, or upload the JSON -->
  