feat: add ability to create chocolatey package files

[AdmiringWorm]

fixes #18

[codecov]

Codecov Report

Merging #22 (ad5ef59) into master (e42d1e2) will increase coverage by 2.32%.
The diff coverage is 96.34%.

@@            Coverage Diff             @@
##           master      #22      +/-   ##
==========================================
+ Coverage   90.82%   93.14%   +2.32%     
==========================================
  Files          29       30       +1     
  Lines        3475     5197    +1722     
==========================================
+ Hits         3156     4841    +1685     
- Misses        319      356      +37     

Impacted Files	Coverage Δ
aer_data/src/lib.rs	90.90% <ø> (ø)
aer_upd/src/lib.rs	100.00% <ø> (ø)
aer_version/src/lib.rs	84.21% <50.00%> (-2.31%)	⬇️
aer_data/src/defaults.rs	81.25% <77.27%> (-8.75%)	⬇️
aer_license/src/lib.rs	94.78% <84.21%> (-2.10%)	⬇️
aer_data/src/metadata.rs	95.30% <88.88%> (-2.95%)	⬇️
aer_data/src/metadata/chocolatey.rs	94.04% <93.77%> (+0.88%)	⬆️
aer_data/src/updater.rs	100.00% <100.00%> (ø)
aer_data/src/updater/chocolatey.rs	98.27% <100.00%> (+0.12%)	⬆️
aer_upd/src/generators/chocolatey/nuspec.rs	100.00% <100.00%> (ø)
... and 3 more

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