Make RichString public

examples/xlsx/richtext/main.cpp

@@ -0,0 +1,35 @@
+#include <QtCore>
+#include "xlsxdocument.h"
+#include "xlsxrichstring.h"
+#include "xlsxformat.h"
+int main()
+{
+    //![0]
+    QXlsx::Document xlsx;
+    //![0]
+
+    //![1]
+    QXlsx::Format blue;
+    blue.setFontColor(Qt::blue);
+    QXlsx::Format red;
+    red.setFontColor(Qt::red);
+    red.setFontSize(15);
+    QXlsx::Format bold;
+    bold.setFontBold(true);
+
+    QXlsx::RichString rich;
+    rich.addFragment("Hello ", blue);
+    rich.addFragment("Qt ", red);
+    rich.addFragment("Xlsx", bold);
+    xlsx.write("B2", rich);
+    //![1]
+
+    //![2]
+    xlsx.saveAs("Test1.xlsx");
+    //![2]
+
+    QXlsx::Document("Test1.xlsx");
+    xlsx.saveAs("Test2.xlsx");
+
+    return 0;
+}