add window icon

defaultres.qrc

@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/.">
+        <file>icon.png</file>
+    </qresource>
+</RCC>

main.cpp

@@ -10,6 +10,5 @@ int main(int argc, char *argv[])
     a.setApplicationName("Speech-To-Text");
     a.setOrganizationName("Potaris IT | Yannik Schmidt");
     a.setOrganizationDomain("potaris.de");
-
     return a.exec();
 }

mainwindow.ui

@@ -13,6 +13,9 @@
   <property name="windowTitle">
    <string>MainWindow</string>
   </property>
+  <property name="windowIcon">
+   <iconset theme="icon.png"/>
+  </property>
   <property name="styleSheet">
    <string notr="true">QToolTip
 {

speech-server-client-qt.pro

@@ -64,3 +64,6 @@ FORMS += \
 qnx: target.path = /tmp/$${TARGET}/bin
 else: unix:!android: target.path = /opt/$${TARGET}/bin
 !isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    defaultres.qrc