Docs: Add v0.15.3-alpha release notes to master

README.md

@@ -78,6 +78,7 @@ in remote mode (meaning that `lnd-mode=remote` is set). It shows the
 
 | LiT               | LND          |
 |-------------------|--------------|
+| **v0.15.3-alpha** | v0.19.0-beta |
 | **v0.15.2-alpha** | v0.19.0-beta |
 | **v0.15.1-alpha** | v0.19.0-beta |
 | **v0.15.0-alpha** | v0.19.0-beta |
@@ -172,6 +173,7 @@ will be added in the future.
 
 | LiT               | LND          | Loop         | Faraday       | Pool         | Taproot Assets |
 |-------------------|--------------|--------------|---------------|--------------|----------------|
+| **v0.15.3-alpha** | v0.19.3-beta | v0.31.5-beta | v0.2.16-alpha | v0.6.6-beta  | v0.6.1-alpha   |
 | **v0.15.2-alpha** | v0.19.3-beta | v0.31.2-beta | v0.2.16-alpha | v0.6.6-beta  | v0.6.1-alpha   |
 | **v0.15.1-alpha** | v0.19.2-beta | v0.31.2-beta | v0.2.16-alpha | v0.6.6-beta  | v0.6.1-alpha   |
 | **v0.15.0-alpha** | v0.19.1-beta | v0.31.2-beta | v0.2.16-alpha | v0.6.6-beta  | v0.6.0-alpha   |

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