feat(event): add os-specific mouse mode handling

src/event/linux/Input.cpp

@@ -4,3 +4,7 @@ int32_t OsInputGet(OSINPUT* id, int32_t* param0, int32_t* param1, int32_t* param
     // TODO
     return 0;
 }
+
+void OsInputSetMouseMode(OS_MOUSE_MODE mode) {
+    // TODO
+}