chore(lavalink): Add YouTube plugin in application.yml to fix deprecation error

application.yml

@@ -1,7 +1,7 @@
 server:
   port: 2333
   address: 0.0.0.0
-  password: ${LAVALINK_SERVER_PASSWORD:testing-lavalink-dont-touch}  # Changed to use LAVALINK_SERVER_PASSWORD env var
+  password: ${LAVALINK_PASSWORD:changeme}  # Uses env var or defaults to 'changeme'
 
 logging:
   level:
@@ -11,7 +11,18 @@ logging:
 lavalink:
   server:
     sources:
-      youtube: true
+      youtube: 
+        enabled: true
+        allowSearch: true # Whether "ytsearch:" and "ytmsearch:" can be used.
+        allowDirectVideoIds: true # Whether just video IDs can match. If false, only complete URLs will be loaded.
+        allowDirectPlaylistIds: true # Whether just playlist IDs can match. If false, only complete URLs will be loaded.
+        # The clients to use for track loading. See below for a list of valid clients.
+        # Clients are queried in the order they are given (so the first client is queried first and so on...)
+        clients:
+        - MUSIC
+        - ANDROID_VR
+        - WEB
+        - WEBEMBEDDED 
       bandcamp: true
       soundcloud: true
       twitch: true
@@ -22,10 +33,5 @@ lavalink:
     bufferDurationMs: 400
     frameBufferDurationMs: 5000
     gc-warnings: true
-    plugins: []
-
-# Add specific IPs allowed to connect (your bot container)
-# Set as 0.0.0.0/0 to allow connections from anywhere (not recommended for production)
-# This is important for Docker environments
-  server.ip-rotation: false
-  server.ip-blocks: ["10.0.0.0/8", "172.16.0.0/12", "192.168.0.0/16", "127.0.0.1", "0.0.0.0/0"]
+    plugins:
+      - dependency: "dev.lavalink.youtube:youtube-plugin:1.12.0"  # Use the new YouTube source plugin