[UI] Add Toc in Sidebar

[senwang86]

Summary

• Toc enables the viewport center.
• Will add more follow-up UI tuning in future

Test

yarn add @mui/lab @mui/material

[lihebi]

Instead of showing (full) IDs, some options (ordered by priority, high to low):

1. show pod/scope title (.name)
2. show the title/first-line of rich text content
3. show the function defined in code pod (I'll populate the parse result somewhere)
4. show a shortened ID (e.g., first 8 characters)

[senwang86]

Instead of showing (full) IDs, some options (ordered by priority, high to low):

1. show pod/scope title (.name)
2. show the title/first-line of rich text content
3. show the function defined in code pod (I'll populate the parse result somewhere)
4. show a shortened ID (e.g., first 8 characters)

1d71993 addresses comments.

[senwang86]

4. show a shortened ID (e.g., first 8 characters)

1d71993 addresses comments.

[lihebi]

Nice, thanks!