Use rustfmt to format files

[lemonlambda]

Format all rust files.

(For Hacktoberfest)

[rodgeraraujo]

can you assign this issue to me?

[lemonlambda]

can you assign this issue to me?

@sanjitschouhan Is probably the owner so they can do it.

[lemonlambda]

Oops

[sanjitschouhan]

Assigned to @rodgeraraujo.

[sanjitschouhan]

Added @ranjithrajv as owner as he is actively monitoring this repo