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/EVerest-main/cmake/trailbook-ext-everest/README.md

@@ -0,0 +1,18 @@
+# Trailbook Extension for Everest
+
+This CMake package is an extension for the Trailbook CMake package
+that provides additional functionality specifically for building
+documentation for the Everest project.
+
+The following additional features are provided:
+
+* cmake function: `trailbook_ev_add_module_explanation()`
+* cmake function: `trailbook_ev_create_snapshot()`
+* cmake function: `trailbook_ev_generate_api_doc()`
+* cmake function: `trailbook_ev_generate_rst_from_manifest()`
+* cmake function: `trailbook_ev_generate_rst_from_interface()`
+* cmake function: `trailbook_ev_generate_rst_from_types()`
+
+Check out the inline documentation of the functions for more details
+on how to use them. Each function is defined in its own CMake file
+located in this package directory.