设置一个框架文档
Under your top-level project directory create folders called docs/reference (this way you can also have docs/help for end-user documentation). It is recommended to create another subdirectory with the name of the doc-package. For packages with just one library this step is not necessary.
目录结构将会如下所示:
Example 2-1 范例目录结构
meep/ docs/ reference/ libmeep/ meeper/ src/ libmeep/ meeper/