Implement proof of concept for scripting capabilities

include/scripting.h

@@ -0,0 +1,31 @@
+#ifndef SCRIPTING_H
+#define SCRIPTING_H
+
+#include "mainwindow.h"
+#include "block.h"
+
+#include <QStringList>
+#include <QJSEngine>
+
+enum CallbackType {
+    OnBlockChanged,
+};
+
+class Scripting
+{
+public:
+    Scripting(MainWindow *mainWindow);
+    QJSValue newBlockObject(Block block);
+    static void init(MainWindow *mainWindow);
+    static void cb_MetatileChanged(int x, int y, Block prevBlock, Block newBlock);
+
+private:
+    QJSEngine *engine;
+    QStringList filepaths;
+    QList<QJSValue> modules;
+
+    void loadModules(QStringList moduleFiles);
+    void invokeCallback(CallbackType type, QJSValueList args);
+};
+
+#endif // SCRIPTING_H