fix: redundant searxng folder causing error on ubuntu, tts issue, bigger mount point allowed by start_services, readme updated for cli mode

searxng/docker-compose.yml

@@ -31,6 +31,7 @@ services:
       - SEARXNG_BASE_URL=http://localhost:8080/
       - UWSGI_WORKERS=1
       - UWSGI_THREADS=1
+    user: "1000:1000"  # Run as current user to avoid permission issues
     cap_add:
       - CHOWN
       - SETGID
@@ -42,4 +43,4 @@ services:
         max-file: "1"
 
 volumes:
-  redis-data:
+  redis-data: