Added missing ads.pri fle

ads.pri

@@ -0,0 +1,28 @@
+
+lessThan(QT_MAJOR_VERSION, 6) {
+    CONFIG(debug, debug|release){
+        win32 {
+            LIBS += -lqtadvanceddockingd
+        }
+        else:mac {
+            LIBS += -lqtadvanceddocking_debug
+        }
+        else {
+            LIBS += -lqtadvanceddocking
+        }
+    }
+    else{
+        LIBS += -lqtadvanceddocking
+    }
+}
+else {
+    # qt$$qtLibraryTarget(qtadvanceddocking) does not produce an advanceddockingd.dll file on Windows
+    # for Qt6 - I don't know if this is a bug and I have to investigate
+    LIBS += -lqtadvanceddocking
+}
+
+
+unix:!macx {
+    LIBS += -lxcb
+    QT += x11extras
+}