How to append a new field to symfony form?

@jerad 

To append a new field to a Symfony form, you need to follow these steps:

1. Open the form class where you want to add the new field. This is typically located in the 'Form' directory of your Symfony project.
2. Inside the form class, add a new field using the 'addField()' method. This method takes three arguments: the name of the field, the type of the field, and an array of options for the field.
3. Example of adding a new field called 'newField' of type 'TextType':

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$builder->add('newField', TextType::class, [
    'label' => 'New Field',
    // add any other options for the field here
]);

1. Customize the options for the new field as needed. You can specify options such as label, required, placeholder, constraints, and more.
2. Lastly, don't forget to update the corresponding entity class to map the new field to a property in the database. This will ensure that the new field is properly persisted and retrieved from the database.

After following these steps, the new field should now be added to your Symfony form and you can start using it in your application.