docs(checkbox): Update checkbox import

Author: immohammadjaved

projects/docs/src/app/pages/docs/components/checkbox/checkbox.component.ts

@@ -18,7 +18,7 @@ export class CheckboxComponent {
   importCode = `import { UiInput } from '@angularui/core';`
   usageCode = `<input formControlName="name" type="text" uiInput placeholder="Enter text here" />`;
 
-  cliCode = `ng g @angularui/core:component input`;
+  cliCode = `ng g @angularui/core:component checkbox`;
 
   CHECKBOX_CODES = CheckboxCodeConstants;