Prerelease `v0.2.5.1`

Windows 上检测 `python3` 为微软商店占位符时不再直接退出，而是接着检测 `python`

更新文档

更新tool说明

增加 `CONTRIBUTING.md`

文档新增第一次贡献者注意事项

Bump version to `v0.2.5`

`Nix` 多用户版时确保 `root` 权限

Add completion feature when build chsrc

Add bash-autocompletion feature-linux test

测试 `xy_path_join()`

feat(cargo): Use the CARGO_HOME environment variable to locate the configuration file.

feat(path): add path join

Just modify first statement after label

Modify var declartion position and add comment