Site content

[casenave]

Propose an initial website content, with images.
Describe the concept, datasets, benchmark.
Present the roadmap

[xroynard]

add a link to the documentation : https://plaid-lib.readthedocs.io/en/latest/index.html

[casenave]

add a link to the documentation : https://plaid-lib.readthedocs.io/en/latest/index.html

done : c51ee87