Doc: Add links to videos

Task-number: QDS-2744
Change-Id: I1ffa0cd1cd4999c372c68ec180bcf89f31db7293
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>

doc/qtcreator/images/extraimages/qtcreator-extraimages.qdocconf

@@ -1,4 +1,8 @@
 {HTML.extraimages,qhp.QtCreator.extraFiles} += \
     images/commercial.png \
     images/RfEYO-5Mw6s.jpg \
-    images/yOUdg1o2KJM.jpg
+    images/yOUdg1o2KJM.jpg \
+    images/DVWd_xMMgvg.jpg \
+    images/Ed8WS03C-Vk.jpg \
+    images/UfvA04CIXv0.jpg \
+    images/FzmLuRHQXaw.jpg

doc/qtcreator/images/extraimages/qtdesignstudio-extraimages.qdocconf

@@ -5,4 +5,9 @@
     images/aV6kFxH3Xws.jpg \
     images/ZzbucmQPU44.jpg \
     images/RfEYO-5Mw6s.jpg \
-    images/yOUdg1o2KJM.jpg
+    images/yOUdg1o2KJM.jpg \
+    images/DVWd_xMMgvg.jpg \
+    images/Ed8WS03C-Vk.jpg \
+    images/UfvA04CIXv0.jpg \
+    images/FzmLuRHQXaw.jpg \
+    images/w1yhDl93YI0.jpg

doc/qtcreator/src/qtquick/library/qtquick-controls.qdoc

@@ -553,6 +553,10 @@
     You can set slider orientation to horizontal or vertical in the
     \uicontrol Orientation field.
 
+    For more information, watch the following video:
+
+    \youtube Ed8WS03C-Vk
+
     A dial supports circular, horizontal, and vertical input modes. For
     applications where fast input is important, the circular input mode is
     useful, as clicking the dial will move it directly to that position.

doc/qtcreator/src/qtquick/library/qtquick-images.qdoc

@@ -192,6 +192,10 @@
     If the image data comes from a sequential device (such as a socket),
     Animated Image can only loop if caching is enabled.
 
+    For more information, watch the following video:
+
+    \youtube DVWd_xMMgvg
+
     \section1 Summary of Images
 
     The following table lists the QML types that you can use to add images.

doc/qtcreator/src/qtquick/library/qtquick-text.qdoc

@@ -40,9 +40,9 @@
     text string, such as size in points or pixels, style name, emphasis,
     alignment, and spacing.
 
-    For an example of editing the Text type, watch
+    For more information, watch the following video:
-    \l{https://www.youtube.com/watch?v=yOUdg1o2KJM}
+
-    {Qt Design Studio QuickTip: Text Element}.
+    \youtube yOUdg1o2KJM
 
     To create a label with a background, use the \l Label type from the
     Qt Quick Controls module.

doc/qtcreator/src/qtquick/qtquick-connection-editor-bindings.qdoc

@@ -72,6 +72,10 @@
 
     \image qmldesigner-binding-editor.png "Binding Editor"
 
+    For more information, watch the following video:
+
+    \youtube UfvA04CIXv0
+
     \include creator-logical-operators.qdocinc logical operators
 
 */

doc/qtcreator/src/qtquick/qtquick-states.qdoc

@@ -87,6 +87,10 @@
     and you attempt to remove states where you change the values of its
     properties, you are prompted to confirm the removal.
 
+    For more information, watch the following video:
+
+    \youtube FzmLuRHQXaw
+
     \section1 Setting the Default State
 
     To determine the startup state of the application,

doc/qtdesignstudio/src/qtquick3d-editor/exporting-3d/exporting-from-maya.qdoc

@@ -94,4 +94,8 @@
             the same location as the FBX file.
         \li Select \uicontrol {Export All} to export files.
     \endlist
+
+    For more information, watch the following video:
+
+    \youtube w1yhDl93YI0
 */

doc/qtdesignstudio/src/qtquick3d-editor/qtdesignstudio-3d-design-mode.qdoc

@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2019 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Design Studio documentation.
@@ -76,6 +76,10 @@
             For more information, see \l {Creating Animations}.
     \endlist
 
+    For more information, watch the following video:
+
+    \youtube w1yhDl93YI0
+
     For more information on other views, see
     \l {Editing QML Files in Design Mode}.
 */