Summary: Seline adds G2 review and clarifies pricing

Why It Matters: This shows Seline is getting good reviews and makes its pricing clearer.

What Changed:

• A G2 review quote was added near the top of the page.
• The pricing details for the free plan and paid plan were clarified at the bottom of the page.
• "Time on page" changed from "1s" to "0s" in an example.