code: def build_namespace(self):
          
          os.makedirs(self.adapters_path)
          os.makedirs(pj(self.include_path, 'macros'))
          with open(pj(self.dbt_dir, '__init__.py'), 'w') as fp:
              fp.write(NAMESPACE_INIT_TEMPLATE)
          with open(pj(self.dbt_dir, 'adapters', '__init__.py'), 'w') as fp:
              fp.write(NAMESPACE_INIT_TEMPLATE)
          with open(pj(self.dbt_dir, 'include', '__init__.py'), 'w') as fp:
              fp.write(NAMESPACE_INIT_TEMPLATE)
docs: Build out the directory skeleton and python namespace files:
  
              dbt/
                  __init__.py
                  adapters/
                      ${adapter_name}
                      __init__.py
                  include/
                      ${adapter_name}
                      __init__.py