add asset js loader & export doric classes

doric-Qt/example/doric/engine/DoricInterfaceJSE.h

@@ -4,7 +4,9 @@
 #include <QString>
 #include <QVariant>
 
-class DoricInterfaceJSE {
+#include "DoricExport.h"
+
+class DORIC_EXPORT DoricInterfaceJSE {
 public:
   virtual QString loadJS(QString script, QString source) = 0;
 

doric-Qt/example/doric/engine/DoricPromise.h

@@ -6,7 +6,9 @@
 #include "DoricContext.h"
 #include "utils/DoricConstant.h"
 
-class DoricPromise {
+#include "DoricExport.h"
+
+class DORIC_EXPORT DoricPromise {
 public:
   static void resolve(DoricContext *context, QString callbackId,
                       QVariantList args) {

doric-Qt/example/doric/engine/native/NativeExecutor.h

@@ -3,7 +3,9 @@
 
 #include <QJSEngine>
 
-class NativeExecutor {
+#include "DoricExport.h"
+
+class DORIC_EXPORT NativeExecutor {
 
 private:
   QJSEngine *mJSEngine;

doric-Qt/example/doric/engine/v8/V8Executor.h

@@ -8,10 +8,12 @@
 #include <QObject>
 #include <QString>
 
+#include "DoricExport.h"
+
 static QMap<QString, QPair<QObject *, QString>> *map =
     new QMap<QString, QPair<QObject *, QString>>();
 
-class V8Executor {
+class DORIC_EXPORT V8Executor {
 
 private:
   std::unique_ptr<v8::Platform> platform;