docs(admin): add weight & disabled cols to engine table

.. _engines generic:

=======

engines

Engines

=======

.. sidebar:: Further reading ..

Timeout       **TO**      Time range support   **TR**

Disabled      **D**       Offline              **O**

------------- ----------- -------------------- ------------

Suspend end   **SE**

------------- ----------- ---------------------------------

Safe search   **SS**

------------- ----------- ---------------------------------

Weigth        **W**

------------- ----------- ---------------------------------

Disabled      **D**

============= =========== =================================

Configuration defaults (at built time):

        - D

        - TR

        - O

        - SE

	- W

	- D

      {% for name, mod in engines.items() %}

        - {{(mod.disabled and "y") or ""}}

        - {{(mod.time_range_support and "y") or ""}}

        - {{(mod.offline and "y") or ""}}

        - {{mod.suspend_end_time}}

        - {{mod.weight or 1 }}

        - {{(mod.disabled and "y") or ""}}

     {% endfor %}