AFFiNE client perf & refactoring by using web worker​

[HeJiachen-PM]

Description

By observering the way of vscode, the threads in electron apps should be implemented such that the main thread is wiped out as much as possible while most of the works are located into web workers.observing

Use case

it should help on supporting the plugin system as well as better performance

Anything else?

No response

Are you willing to submit a PR?

• [ ] Yes I'd like to help by submitting a PR!