docs: add release notes

Author: darioAnongba

docs/release-notes/release-notes-0.8.0.md

@@ -37,6 +37,10 @@
 
 ## Functional Updates
 
+- [RFQ buy/sell accepts are now written to the database](https://github.com/lightninglabs/taproot-assets/pull/1862)
+  `rfq_policies` table whenever a policy is agreed, giving us an audit trail
+  and keeping quotes alive across restarts.
+
 ## RPC Updates
 
 - [PR#1841](https://github.com/lightninglabs/taproot-assets/pull/1841): Remove