feat: apply hunks/lines with `a`

[altsem]

Seems to misbehave when applying lines?

• [ ] Tests
• [ ] Add reverse as well

relates to: #18

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 95.83333% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 86.88%. Comparing base (01ff16a) to head (eae80f1).

:exclamation: Current head eae80f1 differs from pull request most recent head 7705e30. Consider uploading reports for the commit 7705e30 to get more accurate results

Files	Patch %	Lines
src/ops/apply.rs	90.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #151      +/-   ##
==========================================
+ Coverage   86.33%   86.88%   +0.55%     
==========================================
  Files          55       57       +2     
  Lines        4390     4438      +48     
==========================================
+ Hits         3790     3856      +66     
+ Misses        600      582      -18     

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.