More work on license part

Refs #11.

src/Parts/License/Part.php

@@ -13,9 +13,22 @@ public function setupPackage($composer, Directory $target)
         if ($this->input->confirm('Do you want to configure a license for your project?')) {
             $licenses = new SpdxLicenses();
 
-            // 1. Choose a license from a list
-            // 2. Generate the license file, with year and name
-            // 3. Add it to composer.json
+            $license = $this->selectLicenseFromList($licenses);
+
+            $this->copyLicenseFileTo($target, $license);
+
+            $composer->license = $license;
         }
     }
+
+    protected function selectLicenseFromList($licenses)
+    {
+        // Ask the user to chosse a license from the list
+    }
+
+    protected function copyLicenseFileTo(Directory $target, $license)
+    {
+        // Download the file
+        // Add year and name
+    }
 }