Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/shapeshifter-library-python-main/test/test_snake_case.py

@@ -0,0 +1,11 @@
+import pytest
+
+from shapeshifter_uftp.service.base_service import snake_case
+
+
+@pytest.mark.parametrize('text,expected_result',
+    [('FlexOffer', 'flex_offer'),
+     ('AgrPortfolioUpdate', 'agr_portfolio_update'),
+     ('HTTPRequest', 'http_request')])
+def test_snake_case(text, expected_result):
+    assert snake_case(text) == expected_result