docs: add v0.15.3 release notes

Author: ViktorT-11

docs/release-notes/release-notes-0.15.3.md

@@ -0,0 +1,41 @@
+# Release Notes
+
+- [Lightning Terminal](#lightning-terminal)
+    - [Bug Fixes](#bug-fixes)
+    - [Functional Changes/Additions](#functional-changesadditions)
+    - [Technical and Architectural Updates](#technical-and-architectural-updates)
+- [Integrated Binary Updates](#integrated-binary-updates)
+    - [LND](#lnd)
+    - [Loop](#loop)
+    - [Pool](#pool)
+    - [Faraday](#faraday)
+    - [Taproot Assets](#taproot-assets)
+- [Contributors](#contributors-alphabetical-order)
+## Lightning Terminal
+
+### Bug Fixes
+
+### Functional Changes/Additions
+
+### Technical and Architectural Updates
+
+## RPC Updates
+
+## Integrated Binary Updates
+
+### LND
+
+### Loop
+
+* Updated [`loop` to
+  `v0.31.5-beta`](https://github.com/lightninglabs/lightning-terminal/pull/1164).
+
+### Pool
+
+### Faraday
+
+### Taproot Assets
+
+# Contributors (Alphabetical Order)
+
+* Viktor T