1. Create a practice module named: Node Generator (node_generator).
2. Create a form with class "NodeGeneratorForm" and route (/admin/generate-nodes).
3. Make sure only administration role user can access this page.
4. In the form, take following input from user: Content Type (A select list with all the available content types in the website. User can select only 1 content type.), Number of Nodes (Integer Field, Add a validation of minimum 2 and maximum 10. Show error accordingly.). Once the form is submitted make sure nodes are created programatically of correct content type and number which is input by user.