Implement GDPR compliance for contact form

[Copilot]

weDocs contact form collects user data (name, email, IP) without consent mechanism, violating GDPR requirements for EU operations.

Changes

• Contact form: Added mandatory consent checkbox informing users data is collected but not stored, only attached to admin email
• Validation: Server-side check for consent before processing (includes/Ajax.php)
• IP customization: New wedocs_email_feedback_author_line filter hook enables removing, anonymizing, or customizing IP in feedback emails

Filter Usage

Remove IP entirely:

add_filter( 'wedocs_email_feedback_author_line', function( $author_line, $author ) {
    return sprintf( 'Author: %s', $author );
}, 10, 2 );

Anonymize IPv4:

add_filter( 'wedocs_email_feedback_author_line', function( $author_line, $author, $ip_address ) {
    if ( filter_var( $ip_address, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 ) ) {
        $ip_parts = explode( '.', $ip_address );
        $ip_parts[3] = '0';
        $ip_address = implode( '.', $ip_parts );
    }
    return sprintf( 'Author: %s (IP: %s)', $author, $ip_address );
}, 10, 3 );

See GDPR-COMPLIANCE.md for complete documentation and recommendations.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Make wedocs GPDR compilant</issue_title>
<issue_description>wedocs just have 2 things to do to make it GPDR compilant

First, add a check box on the contact form letting know to the user that his information won't be saved (check boxes are required on any form with GPDR)

And for last thing, you can make threechanges:

1. Inform to the users on the contact checkbox that his IP will be collected and will be attached to the email
2. Remove the IP
3. Add a filter to the email body on the "Author (IP)" line to let override it

Meet the GPDR requirements is mandatory to operate with EU users so please, could you consider this changes?</issue_description>

Comments on the Issue (you are @copilot in this section)

@Rubaiyat-E-Mohammad Please have a look @anik-fahmid vai

• Fixes Make wedocs GPDR compilant #61

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