feat: Improve GEO (Generative Engine Optimization): llms.txt, structured data, E-E-A-T signals - #781

Changed pages include:

• index.html - view
• 404.html - view
• about.html - view
• blog.html - view
• case-studies.html - view
• changelog.html - view
• community.html - view
• docs.html - view
• events.html - view
• landing.html - view

There are more changes not included in the list