feat: caching, optimization, legal pages & footer

- WP Super Cache enabled (PHP mode, gzip, Nginx compatible)
- Autoptimize: CSS/HTML minification + deferred JS + Google Fonts optimization
- Cookie Notice: GDPR/LOPD banner styled with brand colors (navy/burgundy/gold)
- Legal pages: Aviso Legal, Política de Privacidad, Política de Cookies (ES)
- MU-plugin: custom footer with legal links + Cloud Host credit
- Footer: copyright, legal nav, Hosted & Maintained by Cloud Host (cloudhost.es)
- Security: X-Frame-Options, X-Content-Type, Referrer-Policy headers
- Security: XML-RPC disabled, REST user enumeration blocked
- Performance: emoji scripts removed, post revisions limited to 3

wp-content/plugins/cookie-notice/includes/modules/amp/iframe.js

@@ -0,0 +1,58 @@
+function cnDisableRevoke() {
+ 	var huObject = null;
+
+	// get valid hu object
+	for ( const object of [ '__hu', 'hu' ] ) {
+		// check global variable
+		if ( typeof window[object] !== 'undefined' && window[object].hasOwnProperty( 'earlyInit' ) && typeof window[object].earlyInit === 'function' ) {
+			huObject = window[object];
+
+			// no need to check again
+			break;
+		}
+	}
+
+	// force revoke button to be disabled
+	huObject.options.config.revokeConsent = false;
+}
+
+function cnConsentResponse( event ) {
+	// allow this event to run only once
+	if ( event.type === 'set-consent.hu' )
+		document.removeEventListener( 'hide.hu', cnConsentResponse );
+
+	document.addEventListener( 'save-consent-response.hu', cnConsentSet( event.detail.categories ) );
+}
+
+function cnConsentSet( categories ) {
+	// it has to use return function to wait for save-consent-response event
+	return function cnRequestFinished( event ) {
+		var action = 'accept';
+
+		// only basic operations?
+		if ( categories[1] && ! categories[2] && ! categories[3] && ! categories[4] )
+			action = 'reject';
+
+		// inform amp to save consent
+		window.parent.postMessage(
+			{
+				type: 'consent-response',
+				action: action,
+				purposeConsents: {
+					'basic_operations': categories[1],
+					'content_personalization': categories[2],
+					'site_optimization': categories[3],
+					'ad_personalization': categories[4]
+				}
+			},
+			'*'
+		);
+	}
+}
+
+// set consent
+document.addEventListener( 'hide.hu', cnConsentResponse );
+document.addEventListener( 'set-consent.hu', cnConsentResponse );
+
+// disable revoke button
+document.addEventListener( 'load.hu', cnDisableRevoke );