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/CHANGELOG.md

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+<!--
+SPDX-FileCopyrightText: 2020-2023 Contributors to the Shapeshifter project
+
+SPDX-License-Identifier: Apache-2.0
+-->
+
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Latest]
+
+### Added
+* `ReferenceMessageID` attribute in `PayloadMessageResponseType` to replace the specific `*MessageID` attributes in each specific response type. This will simplify handling of response messages.
+* `Unsolicited` attribute in `FlexOfferType` and `FlexOrderType` to communicate whether an unsolicited message is intentional.
+
+### Changed
+* `FlexOrder` can be sent directly without a `FlexOfferMessageID`.
+
+### Removed
+* Specific `*MessageID` attributes in each response type. These have been replaced by the generic `ReferenceMessageID` attribute in the `PayloadMessageResponseType`.
+
+## [3.0.0] - 2022-06-01
+
+Imported project from USEF UFTP.
+
+### Added
+
+Metering Messages - To support submission of metering data from the AGR to the DSO.
+Version tag in PayloadMessageType - So that the version number is specified in every message and the DSO can support multiple versions at the same time
+Service type in FlexRequest message - so that the aggregate knows which service is being requested
+Order Reference in FlexOrderSettlement - so that the aggregate knows which order the settlement is for
+
+### Changed
+Improve the description of FlexRequestMessageID and D-PrognosisMessageID fields
+
+### Removed
+Reference from FlexSettlement and FlexSettlementResponse - These fields supplied the same functionality as the FlexSettlementMessageID field. Now please use the FlexSettlementMessageID field in the FlexSettlementResponse
+
+## [2.0.0]
+
+Project was called USEF (Universal Smart Energy Framework) UFTP (USEF Flexibility Trading Protocol)