Change the name of the virtual assistant

[spignelon]

Add the ability to change the name of the assistant if the user want.
Refer to "what is your name" in main.py

[Kiinitix]

I would like to work on this issue.

[spignelon]

@Kiinitix assigned

[Tejaso7]

i would like to work on this

[spignelon]

i would like to work on this

Assigned @Tejaso7

[Tejaso7]

hii i have done the functions