When `#git submodule` tells you to use `--force` option, and then you get:
```
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
new file: --force
modified: .gitmodules
```
Kiedy `#git submodule` każe użyć opcji `--force`, i dostajesz:
```
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
new file: --force
modified: .gitmodules
```