docs(readme): add donation

[PIKACHUIM]

mod(readme): add donation

[github-actions]

⚠️ PR 标题需以 feat(): , docs(): , fix(): , style(): , refactor(): , chore(): 其中之一开头，例如：feat(component): 新增功能。
⚠️ The PR title must start with feat(): , docs(): , fix(): , style(): , or refactor(): , chore(): . For example: feat(component): add new feature.

如果跨多个组件，请使用主要组件作为前缀，并在标题中枚举、描述中说明。
If it spans multiple components, use the main component as the prefix and enumerate in the title, describe in the body.

如果是破坏性变更，请在类型后添加 !，例如 feat(component)!: 破坏性变更。
For breaking changes, add ! after the type, e.g., feat(component)!: breaking change.

[xrgzs]

README 只处理了一个，还需处理：

• README_cn.md
• README_ja.md
• README_nl.md

建议使用：FUNDING.yml

https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/displaying-a-sponsor-button-in-your-repository

[jyxjjj]

README应仅处理名单，请改用Sponsors