Datamodel-code-generator: GitHub About section doesn't reflect full capabilities

[JosXa]

Looks like the GH "About" section could use some more spice (and typo fixes) for how awesome this library is. How about

Pydantic model generator for easy conversion of JSON, OpenAPI, JSON Schema, and YAML data sources.

? 🚀
Not sure if one can link to each of these entities aswell... Here are the links:

• https://pydantic-docs.helpmanual.io/
• https://json-schema.org/

[koxudaxi]

@JosXa
Thank you for creating this issue.

I have changed it. :writing_hand:
Also, I can not insert a hyperlink in About :cry:

[JosXa]

@koxudaxi Sweet :)