add app.set_title

src/logic/scripting/lua/libs/libcore.cpp

@@ -25,6 +25,7 @@
 #include "graphics/ui/gui_util.hpp"
 #include "graphics/ui/GUI.hpp"
 #include "graphics/ui/elements/Menu.hpp"
+#include "window/Window.hpp"
 
 using namespace scripting;
 
@@ -298,6 +299,12 @@ static int l_capture_output(lua::State* L) {
     return 1;
 }
 
+static int l_set_title(lua::State* L) {
+    auto title = lua::require_string(L, 1);
+    engine->getWindow().setTitle(title);
+    return 0;
+}
+
 const luaL_Reg corelib[] = {
     {"blank", lua::wrap<l_blank>},
     {"get_version", lua::wrap<l_get_version>},
@@ -319,5 +326,6 @@ const luaL_Reg corelib[] = {
     {"open_url", lua::wrap<l_open_url>},
     {"quit", lua::wrap<l_quit>},
     {"capture_output", lua::wrap<l_capture_output>},
+    {"set_title", lua::wrap<l_set_title>},
     {nullptr, nullptr}
 };