add data argument to container:add(...)

src/logic/scripting/scripting.cpp

@@ -154,6 +154,22 @@ std::unique_ptr<Process> scripting::start_coroutine(
     });
 }
 
+[[nodiscard]] scriptenv scripting::create_environment(
+    const scriptenv& parent
+) {
+    auto L = lua::get_main_state();
+    int id = lua::create_environment(L, (parent ? *parent : 0));
+    lua::pushenv(L, id);
+    lua::pushvalue(L, -1);
+    lua::setfield(L, "CUR_ENV");
+
+    lua::pop(L);
+    return std::shared_ptr<int>(new int(id), [=](int* id) { //-V508
+        lua::remove_environment(L, *id);
+        delete id;
+    });
+}
+
 [[nodiscard]] scriptenv scripting::create_doc_environment(
     const scriptenv& parent, const std::string& name
 ) {