English Docs Improve Plan

[why520crazy]

• Structure
• Introduction: https://worktile.github.io/store/zh-cn/guides/intro
• Getting Started: https://worktile.github.io/store/guides/getting-started
• Store: https://worktile.github.io/store/zh-cn/guides/basic/store
• Action: https://worktile.github.io/store/guides/basic/action
• Selector: https://worktile.github.io/store/guides/basic/selector
• EntityStore: https://worktile.github.io/store/guides/advanced/entity-store
• EntityStore with references: https://worktile.github.io/store/guides/advanced/entity-store-references
• Cancellation: https://worktile.github.io/store/guides/advanced/cancellation
• FAQ: https://worktile.github.io/store/guides/faq