Add artisan aliases

Added below php artisan commonly used aliases:

```
dusk =  php artisan dusk
fresh = php artisan migrate:fresh
refresh = php artisan migrate:refresh
rollback = php artisan migrate:rollback
```

workspace/aliases.sh

@@ -63,7 +63,11 @@ alias artisan="php artisan"
 alias cdump="composer dump-autoload -o"
 alias composer:dump="composer dump-autoload -o"
 alias db:reset="php artisan migrate:reset && php artisan migrate --seed"
+alias dusk="php artisan dusk"
+alias fresh="php artisan migrate:fresh"
 alias migrate="php artisan migrate"
+alias refresh="php artisan migrate:refresh"
+alias rollback="php artisan migrate:rollback"
 alias seed="php artisan:seed"
 
 alias phpunit="./vendor/bin/phpunit"