Fix numbering in 6.3-to-6.4.md
Created by: terrywang
- Fix numbering after step 5 (Start application), changed 8 to 6
- Unify markdown syntax for shell (
Bash
) command line syntax
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: terrywang
Bash
) command line syntax