Add matugen config for quickshell and add futures box

quickshell/shell.qml

@@ -50,6 +50,19 @@ ShellRoot {
                 memUsage: stats.memUsage
             }
         }
+
+    }
+
+    Variants {
+        model: Quickshell.screens
+
+        FortuneBox {
+            id: fortuneBox
+            anchors.right: true
+            anchors.bottom: true
+            margins.right: 10
+            margins.bottom: 10
+        }
     }
 }