feat(Icons): add `Octicons` set

[ice6]

Is there an existing issue for this?

• I have searched the existing issues

Is your feature request related to a problem? Please describe the problem.

I found that Github's user interface is concise and performant. and its icon is also good.

Describe the solution you'd like

add Octicons set as font-awesome etc.

Additional context

https://primer.style/foundations/icons

[bb-auto]

@ice6 Thank you for contacting us. We will give feedback later.

[ArgoZhang]

@ice6 please have a try https://www.blazor.zone/oct-icon