Docs

• Added guide for Stable Swap (v1 and v2).
• Added guide for Tron fee optimiser (v1 and v2).
• Added Vaults web and mobile release notes (v1 and v2).
• Added Liminal Express API changelog for Version [v1.3.16] (Prod) (v1 & v2).
• Added Liminal Express Developer Postman Collection (v1 and v2).

• Updated the Update Liminal Express guide (v1 and v2).
• Updated the Set up Liminal Firewall guide (v1 and v2).

Removed Fantom, Flare, Near, Xinfin and Play3ull chain support from the following guides:

• Liminal supported chains (v1 and v2).
• Liminal environments (v1 and v2).
• Add Custom Tokens (v1 and v2).
• Transaction webhooks (v1 and v2), and
• From the list of supported tokens (v1 and v2).