Add emacs style up/down shortcuts ctrl+n and ctrl+p

[lachlankrautz]

No description provided.

[codecov-io]

Codecov Report

Merging #67 into master will decrease coverage by 0.21%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master      #67      +/-   ##
============================================
- Coverage     88.76%   88.55%   -0.22%     
- Complexity      239      241       +2     
============================================
  Files            18       18              
  Lines           730      734       +4     
============================================
+ Hits            648      650       +2     
- Misses           82       84       +2

Impacted Files	Coverage Δ	Complexity Δ
src/Terminal/UnixTerminal.php	9.52% <0%> (-0.32%)	31 <0> (ø)
src/CliMenuBuilder.php	98.7% <0%> (ø)	45% <0%> (+1%)	⬆️
src/CliMenu.php	89.18% <0%> (+0.07%)	55% <0%> (+1%)	⬆️

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[AydinHassan]

@lachlankrautz am I missing something here? they just seem like empty strings in the GitHub diff?

[AydinHassan]

Seems it's just GH. I pulled and it looks fine. Thanks!

[AydinHassan]

I tagged 2.1.0 which your changes in :)

[lachlankrautz]

Awesome, thank you!