添加第二章get_start

SUMMARY.md

@@ -1,9 +1,10 @@
 # Summary
 
 * [Introduction](README.md)
-* [Meet Qt 5](chapter/README.md)
-   * [序（Preface）](chapter/preface.md)
-   * [Qt5介绍（Qt5 Introduction）](chapter/qt5qt5_introduction.md)
-   * [Qt构建模块（Qt Building Blocks）](chapter/qtqt_building_blocks.md)
-   * [Qt项目（Qt Project）](chapter/qtqt_project.md)
+* [Meet Qt 5](meet_qt_5/README.md)
+   * [序（Preface）](meet_qt_5/preface.md)
+   * [Qt5介绍（Qt5 Introduction）](meet_qt_5/qt5qt5_introduction.md)
+   * [Qt构建模块（Qt Building Blocks）](meet_qt_5/qtqt_building_blocks.md)
+   * [Qt项目（Qt Project）](meet_qt_5/qtqt_project.md)
+* [Get Start](get_start/README.md)
 

get_start/README.md

@@ -0,0 +1 @@
+# Get Start