Problems with include path of libraries in microros

Issue template

• Hardware description: STM
• RTOS: freeRTOS
• Installation type: microros_setup
• Version or commit hash: iron

Steps to reproduce the issue

I have compiled Microros as a static lib and added it using the compile flags. I have also added the folder libmicroros/include as an include path. However, the code does not find any of the headers because the folders are organized in the following way:
library_name/library_name/header_file.h. That's because the includes are /library_name/headear_file.h. In other words, I am forced to add each folder path as an include path. Is there a way to make it simpler? In the previous version of Microros, the folder organization was /library_name/headear_file.h, and the new version's code still follows that standard.

首先检查创建 libmicroros/include 的 microros_setup 输出，以及静态库使用的编译标志。完成标准是：生成的头文件可以使用一个包含路径进行包含，无需单独添加每个库目录，同时与代码使用的包含布局一致。