feat: 🚀 Added optimize and optimize:clear commands

[allysonsilva]

• Added --domain option to artisan optimize and artisan optimize:clear commands
• Added AsCommand attribute in commands

[codecov-commenter]

Codecov Report

Merging #3 (0a43c62) into 2.x (30b2b56) will not change coverage.
The diff coverage is 100.00%.

Additional details and impacted files

@@             Coverage Diff             @@
##                 2.x        #3   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
- Complexity        43        49    +6     
===========================================
  Files              8        10    +2     
  Lines            168       179   +11     
===========================================
+ Hits             168       179   +11     

Flag	Coverage Δ
tests	100.00% <100.00%> (ø)

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Impacted Files	Coverage Δ
src/Console/Commands/RouteCacheCommand.php	100.00% <ø> (ø)
src/Bootstrappers/LoadEnvironmentVariables.php	100.00% <100.00%> (ø)
src/Console/Commands/ConfigCacheCommand.php	100.00% <100.00%> (ø)
src/Console/Commands/OptimizeClearCommand.php	100.00% <100.00%> (ø)
src/Console/Commands/OptimizeCommand.php	100.00% <100.00%> (ø)
src/Providers/ArtisanServiceProvider.php	100.00% <100.00%> (ø)