feat(agents): add OrcaRouter as a named model provider - #4764

Changed pages include:

• index.html - view
• 404.html - view
• changelog.html - view
• about/index.html - view
• agents/index.html - view
• app.html - view
• blog.html - view
• brand-toys.html - view
• cloud/index.html - view
• llms.html - view

There are more changes not included in the list