Add auto-update metadata to the patcher module

CHANGELOG.md

@@ -0,0 +1,4 @@
+## btl2capfix v0.0.3
+- ([#34](https://github.com/kavishdevar/aln/pull/34)) @devnoname120 Add on-device libbluetooth patcher using a Magisk/KernelSU module (arm64-only)
+
+_[See more here](https://github.com/kavishdevar/aln/releases)_

root-module/module.prop

@@ -4,3 +4,4 @@ version=v3
 versionCode=3
 author=@devnoname120 and @kavishdevar
 description=Fixes the Bluetooth L2CAP connection issue with AirPods
+updateJson=https://raw.githubusercontent.com/kavishdevar/aln/main/update.json

update.json

@@ -0,0 +1,6 @@
+{
+  "version": "v0.0.3",
+  "versionCode": 3,
+  "zipUrl": "https://github.com/kavishdevar/aln/releases/download/v0.0.3/btl2capfix-v0.0.3.zip",
+  "changelog": "https://raw.githubusercontent.com/kavishdevar/aln/main/CHANGELOG.md"
+}