feat(website): setup sidebar labels and position

[kittybest]

Description

Setup sidebar position and label by adding scripts.

• create a typedoc.base.json file in the root folder, for the typedoc.json file in each package to extend from.
• adding typedoc.json to the core, cli, crypto, domainobjs directories, and adding scripts to gen typedoc in their package.json ➡️ to separate the classes and interfaces, since before they were put together and it's not easy for users to read. Also now we could have the README.md file as the index page for each package.
• rewrite the whole setupTypedoc.ts, since the typedoc-generating output is totally different now.
• add sidebar config to the auto-generated files, to make the sidebar looks more readable.
• update core/READMD.md ➡️ although it's not directly related to this PR, the links in the file is no longer available since we refactor the whole file structure a lot, which causing the tests of building website fail.

Related issue(s)

close #921

Confirmation

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[kittybest]

Remaining problem is the index page for solidity docs and typedoc, they're empty now, but I think there should be some content indicating what these following files are.

[ctrlc03]

Remaining problem is the index page for solidity docs and typedoc, they're empty now, but I think there should be some content indicating what these following files are.

Are you going to tackle that in a separate PR?

[0xmad]

@kittybest thanks, just few comments about code conventions.

[kittybest]

Remaining problem is the index page for solidity docs and typedoc, they're empty now, but I think there should be some content indicating what these following files are.

Are you going to tackle that in a separate PR?

Yes I think so, since there's also another separate issue #922 . This PR could just for #921.

[0xmad]

@kittybest thanks!