add function calling

src/runtime/call/call.h

@@ -0,0 +1,13 @@
+/*
+ * SPDX-FileCopyrightText: 2025 William Bell
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#ifndef runtime_call_H
+#define runtime_call_H
+#include "../runtime.h"
+
+void run_call(Translated *translated, RuntimeState *state);
+
+#endif // runtime_call_H