++= appendAssign operator (#7346) (#7354)

# Description

Closes  https://github.com/nushell/nushell/issues/7346



# Tests + Formatting
```
> mut a = [1 2 3]
> $a ++= [4 5 6]
> $a
[1 2 3 4 5 6]
```
This commit is contained in:
raccmonteiro
2022-12-09 16:20:58 +00:00
committed by GitHub
parent fc5fe4b445
commit b56ad92e25
7 changed files with 124 additions and 0 deletions

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@ -2,6 +2,7 @@ mod alias;
mod all;
mod any;
mod append;
mod assignment;
mod break_;
mod cal;
mod cd;