DOC add a todo directive to the documentation

.. todo:: will create Todos that are listed in the TODO in the documentation

doc/conf.py

@@ -34,8 +34,12 @@ extensions = [
     'sphinx.ext.todo',
     'sphinx.ext.coverage',
     'sphinx.ext.viewcode',
+    'sphinx.ext.todo',
 ]
 
+# enable todos
+todo_include_todos = True
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 

doc/user/todo.rst

@@ -35,4 +35,9 @@ Design
 
 * use something similar to the `capabilities` in escpos-php
 
+Todos in the codebase
+~~~~~~~~~~~~~~~~~~~~~
+
+.. todolist::
+