feat: show multiple command outputs in popup

[altsem]

relates to: #2

[altsem]

@golden-expiriensu This now works :) Think I found another edge-case as well

$ git stash push --staged
No staged changes
$ git stash push --include-untracked

$ git stash pop 1
fatal: log for 'refs/stash' only has 1 entries

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 85.71429% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 86.69%. Comparing base (a36b908) to head (8743cab).

Files	Patch %	Lines
src/state.rs	57.14%	3 Missing :warning:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #100 +/- ## ========================================== - Coverage 86.70% 86.69% -0.01% ========================================== Files 39 39 Lines 3632 3639 +7 ========================================== + Hits 3149 3155 +6 - Misses 483 484 +1 ```

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[golden-expiriensu]

@golden-expiriensu This now works :) Think I found another edge-case as well

$ git stash push --staged
No staged changes
$ git stash push --include-untracked

$ git stash pop 1
fatal: log for 'refs/stash' only has 1 entries

Hmm, indeed, I'll fix that