beremiz

Doc: Add about section (PR #33)

2024-04-26, Nadim Khan
ac6408084c60
Doc: Add about section (PR #33)

* added about section

* updated .gitignore to exclude doc/_build/
PLC variables and local variables
==================================
PLC variables start with ``/``
------------------------------
Local Page variables start with ``.``
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Local HMI variables
-------------------