[Feature] Add a script to verify whether the installation was successful

[RangeKing]

Motivation

Add a script to verify whether the installation was successful (新增快速验证是否安装成功的脚本)

• Verify mmcv
• Verify inference
• Verify training
• Verify testing
• Test the script in some improper environments
  1. mmdet<3.0.0rc5, mmyolo>=0.3.0 (metainfo)
  2. mmdet>=3.0.0rc5, mmyolo<0.3.0
  3. ...
• Add relavant documentation