disable lndboss and add deprecation notice

lndboss/umbrel-app.yml

@@ -4,7 +4,11 @@ category: bitcoin
 name: LndBoss
 version: "2.19.1"
 tagline: A GUI for BalanceOfSatoshis
-description: LndBoss is a GUI for BalanceOfSatoshis.
+description: >-
+  ⚠️ Deprecation notice: This app has been deprecated and therefore will no longer receive any app updates.
+
+  
+  LndBoss is a GUI for BalanceOfSatoshis.
   It is a tool that makes it easy to run your favorite
   bos commands and helps manage your lightning node.
   You can schedule jobs to automatically rebalance channels,
@@ -38,3 +42,4 @@ releaseNotes: >
 
 submitter: Nitesh Balusu
 submission: https://github.com/getumbrel/umbrel-apps/pull/65
+disabled: true