Summary: AI Search Toolkit now says "New"

Why It Matters: This shows SE Ranking is highlighting a new feature.

What Changed:

• Removed "Help Center" link from the top section.
• Removed "Request a demo" link from the top section.
• Removed "Stand with Ukraine" link from the top section.
• Added "Sign in" and "Start free trial" links to the top section.
• Added "Projects" link to the top section.
• Added "New" next to "AI Search Toolkit" under Features > AI Toolkit.
• Added "New" next to "Agency Hub" under Resources > user resources.
• Moved "Help Center", "Request a demo", and "Stand with Ukraine" links to a lower section.