docs: add release notes entry

Author: ellemouton

docs/release-notes/release-notes-0.18.1.md

@@ -1,7 +1,61 @@
-* Some new experimental [RPCs for managing SCID 
+# Release Notes
+- [Bug Fixes](#bug-fixes)
+- [New Features](#new-features)
+    - [Functional Enhancements](#functional-enhancements)
+    - [RPC Additions](#rpc-additions)
+    - [lncli Additions](#lncli-additions)
+- [Improvements](#improvements)
+    - [Functional Updates](#functional-updates)
+    - [RPC Updates](#rpc-updates)
+    - [lncli Updates](#lncli-updates)
+    - [Breaking Changes](#breaking-changes)
+    - [Performance Improvements](#performance-improvements)
+- [Technical and Architectural Updates](#technical-and-architectural-updates)
+    - [BOLT Spec Updates](#bolt-spec-updates)
+    - [Testing](#testing)
+    - [Database](#database)
+    - [Code Health](#code-health)
+    - [Tooling and Documentation](#tooling-and-documentation)
+
+# Bug Fixes
+# New Features
+## Functional Enhancements
+## RPC Additions
+
+* Some new experimental [RPCs for managing SCID
   aliases](https://github.com/lightningnetwork/lnd/pull/8509) were added under
-  the routerrpc package. These methods allow manually adding and deleting scid 
+  the routerrpc package. These methods allow manually adding and deleting scid
   aliases locally to your node.
-  > NOTE: these new RPC methods are marked as experimental 
-        (`XAddLocalChanAliases` & `XDeleteLocalChanAliases`) and upon calling
-        them the aliases will not be communicated with the channel peer. 
+  > NOTE: these new RPC methods are marked as experimental
+  (`XAddLocalChanAliases` & `XDeleteLocalChanAliases`) and upon calling
+  them the aliases will not be communicated with the channel peer.
+
+## lncli Additions
+
+# Improvements
+## Functional Updates
+## RPC Updates
+
+## lncli Updates
+
+
+## Code Health
+## Breaking Changes
+## Performance Improvements
+
+# Technical and Architectural Updates
+## BOLT Spec Updates
+
+* Start assuming that all hops used during path-finding and route construction
+  [support the TLV onion 
+  format](https://github.com/lightningnetwork/lnd/pull/8791).
+
+## Testing
+## Database
+## Code Health
+## Tooling and Documentation
+
+# Contributors (Alphabetical Order)
+
+* Elle Mouton
+* George Tsagkarelis