Add: New type ISBN

[lucasmucidas]

Implementation of issue-115

---

ISBN

The pydantic_extra_types.isbn module provides functionality to receive and validate ISBN
(International Standard Book Number) in 10-digit and 13-digit formats. The output is always ISBN-13.

Using

    from pydantic import BaseModel

    from pydantic_extra_types.isbn import ISBN

    class Book(BaseModel):
        isbn: ISBN

    book = Book(isbn="8537809667")
    print(book)

output:

#> isbn='9788537809662'

Coverage

Selected Reviewer: @yezz123

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0ce9f20) 100.00% compared to head (630ef92) 100.00%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #116   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files            9        10    +1     
  Lines          642       688   +46     
  Branches       159       176   +17     
=========================================
+ Hits           642       688   +46     

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[yezz123]

please review

[yezz123]

hey @lucasmucidas can you fix the formatting issue in the code 🙏🏻

[lucasmucidas]

Sorry @yezz123, i think that's ok rn.

About the docs on pydantic main repo: What should i do?

[yezz123]

LGTM