Changes to make possible implement api endpoint

Update documentation
Start implementing getSystems route
Code to route getSystems
Controller to board import
Change return
Increase coverage

Signed-off-by: Vitor Mattos <vitor@php.rio>

lib/Command/BoardImport.php

@@ -81,6 +81,8 @@ class BoardImport extends Command {
 		$this->boardImportCommandService
 			->setInput($input)
 			->setOutput($output)
+			->setSystem($input->getOption('system'))
+			->setConfigInstance($input->getOption('config'))
 			->validate();
 	}