add help

Author: jordisala1991

src/Console/Command/ReleaseCommand.php

@@ -44,12 +44,27 @@ protected function configure()
     {
         parent::configure();
 
+        $help = <<<'EOT'
+The <info>release</info> command analyzes pull request of a given project to determine
+the changelog and the next version to release.
+
+Usage:
+
+<info>php dev-kit release doctrine-orm-admin-bundle</info>
+
+The command will show what is the status of the project, then a list of pull requests
+made against selected branch (default: <info>3.x</info>) with the following information: stability, name,
+labels, changelog, url.
+
+After that, it will show what is the next version to release and the changelog for that release.
+EOT;
+
         $this
             ->setName('release')
-            ->setDescription('Makes a release of a project.')
-            ->addArgument('project', InputArgument::REQUIRED, 'The project to do a release of.')
-            ->addOption('branch', null, InputOption::VALUE_OPTIONAL, 'Base branch to release', '3.x')
-        ;
+            ->setDescription('Helps with a project release.')
+            ->addArgument('project', InputArgument::REQUIRED, 'The project to release.')
+            ->addOption('branch', null, InputOption::VALUE_OPTIONAL, 'branch to release', '3.x')
+            ->setHelp($help);
     }
 
     /**