Translate `library/typing.po`

[mattwang44]

• intro
• relevant PEPs
• type alias
• NewType
• Annotating callable objects
• generics
• Annotating tuples
• The type of class objects
• user-defined generics types
• the Any type
• nominal vs structural subtyping
• module contents
  • intro
  • special typing primitives
    • Special types
    • Special forms
    • Building generic types and type aliases
    • Other special directives
  • protocals
  • ABCs for working with IO
  • functions and decorators
  • introspection helpers
  • constant

[rockleona]

Hi @mattwang44, since I saw there's no progress here,
I would like translate intro, relevant PEPs, and type alias first.

Thanks!

[rockleona]

I'll continue translating these sections

• NewType
• Annotating callable objects
• generics
• Annotating tuples

[rockleona]

@mattwang44 I found there's lots of difference on the sections,
the tasklist is remain on Python 3.10, I'll update / edit your post later.

[rockleona]

I'm now translating these parts!

• The type of class objects
• user-defined generics types
• the Any type

[rockleona]

I'm now translating the sections below:

• nominal vs structural subtyping
• module contents
  • intro
  • special typing primitives
    • Special types