Link French language to the other README files

[BaseMax]

For example:

• https://github.com/One-Language/One/blob/master/README.md
• https://github.com/One-Language/One/blob/master/README_AR.md
• .......

[mohitsaxenaknoldus]

Assign it to me, please. I'll do it.

[BaseMax]

Thanks, Sure. welcome.

I am looking forward your PR.

[mohitsaxenaknoldus]

PR raised: #222
@BaseMax