pseudocode v0.2.0 release

v0.2.0/2022-11-14

• v0.1.1 <=> v0.2.0
• 修复手动设置序号错误问题 | Fix the issue of manually setting the serial number error.
• 编号设置为 0 时启用自动编号 | Enable automatic numbering when the serial number is set to 0.