forked from extern/nushell
* add 'int' command * create `into int` behavior - forcibly overwrote prior implementation ```sh git mv -f crates/nu-command/src/commands/int_.rs crates/nu-command/src/commands/into_int.rs ``` - picked up prior work, polished and renamed Co-authored-by: Saeed Rasooli <saeed.gnu@gmail.com>