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-specification-main/xsd/UFTP-dso.xsd

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+SPDX-FileCopyrightText: 2020-2023 Contributors to the Shapeshifter project
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
+	<xs:include schemaLocation="UFTP-common.xsd"/>
+	<xs:include schemaLocation="UFTP-agr-dso.xsd"/>
+	<xs:include schemaLocation="UFTP-cro-dso.xsd"/>
+</xs:schema>