Help docs redirect to Usage instructions (#21)

Author: RobPasMue

src/ansys/tools/installer/main.py

@@ -282,7 +282,9 @@ def check_for_updates(self):
             ).exec_()
 
     def visit_website(self):
-        url = QtCore.QUrl("https://installer.docs.pyansys.com/")
+        url = QtCore.QUrl(
+            "https://installer.docs.pyansys.com/version/dev/installer.html"
+        )
         QtGui.QDesktopServices.openUrl(url)
 
     def show_about_dialog(self):