SEO fixes: orphan pages, schema cleanup, clean URLs, llms-full.txt

- Add 32 missing articles to blog page 2 with working pagination
- Strip .php extensions from all blog article links (blog/index.php, article-footer.php)
- Remove unverified aggregateRating from Organization schema
- Remove empty telephone fields from Organization schema
- Fix broken tel: link in homepage contact section (+44 1692 689150)
- Update footer Twitter link to x.com
- Create llms-full.txt for AI crawler indexing

includes/schema/organization-schema.php

@@ -22,7 +22,6 @@ $organizationSchema = [
     ],
     'image' => 'https://ukdataservices.co.uk/assets/images/ukds-main-logo.png',
     'description' => 'Enterprise web scraping and data analytics services for UK businesses. Specialising in competitive intelligence, price monitoring, and GDPR-compliant data extraction.',
-    'telephone' => '',
     'email' => 'info@ukdataservices.co.uk',
     'address' => [
         '@type' => 'PostalAddress',
@@ -64,13 +63,12 @@ $organizationSchema = [
         ]
     ],
     'sameAs' => [
-        'https://www.linkedin.com/company/ukdataservices',
-        'https://twitter.com/ukdataservices'
+        'https://www.linkedin.com/company/uk-data-services',
+        'https://x.com/ukdataservices'
     ],
     'contactPoint' => [
         [
             '@type' => 'ContactPoint',
-            'telephone' => '',
             'contactType' => 'sales',
             'availableLanguage' => 'English',
             'areaServed' => 'GB',
@@ -93,13 +91,6 @@ $organizationSchema = [
     'numberOfEmployees' => [
         '@type' => 'QuantitativeValue',
         'value' => '15'
-    ],
-    'aggregateRating' => [
-        '@type' => 'AggregateRating',
-        'ratingValue' => '4.9',
-        'reviewCount' => '127',
-        'bestRating' => '5',
-        'worstRating' => '1'
     ]
 ];
 ?>