add updates logic

dotfiles/.config/waybar/config

@@ -135,5 +135,16 @@
             "3": []
         },
         "sort-by-number": true
+    },
+    "custom/updates": {
+        "format": "  {}",
+        "escape": true,
+        "return-type": "json",
+        "exec": "~/.config/ml4w/scripts/ml4w-check-system-updates",
+        "interval": 1800,
+        "signal": 1,
+        "hide-empty-text": true,
+        "on-click": "~/.config/ml4w/settings/installupdates.sh",
+        "on-click-right": "~/.config/ml4w/settings/software.sh"
     }
 }