Adding a new cond alg for MMG

This is an implementation of the condition alg and database for the MMG incorporating effective drift velocity and calibration

@pscholer @jojungge @kluit @stavrop

MuonSpectrometer/MuonConditions/MuonCondGeneral/MuonCondAlg/MuonCondAlg/MmCTPCondDbAlg.h

+/*
+  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
+*/
+
+#ifndef MUONCONDALG_MmCTPCondDbAlg_H
+#define MUONCONDALG_MmCTPCondDbAlg_H
+
+// Athena includes
+#include "AthenaBaseComps/AthReentrantAlgorithm.h"
+#include "AthenaPoolUtilities/CondAttrListCollection.h"
+#include "MuonIdHelpers/IMuonIdHelperSvc.h"
+#include "StoreGate/CondHandleKeyArray.h"
+#include "StoreGate/WriteCondHandleKey.h"
+#include <nlohmann/json.hpp>
+#include "MuonCondData/mmCTPClusterCalibData.h"
+
+class MmCTPCondDbAlg : public AthReentrantAlgorithm {
+public:
+    //No need for individual constructor
+    using AthReentrantAlgorithm::AthReentrantAlgorithm ;
+    //MmCTPCondDbAlg(const std::string& name, ISvcLocator* svc);
+    virtual ~MmCTPCondDbAlg() = default;
+    virtual StatusCode initialize() override final;
+    virtual StatusCode execute(const EventContext& ctx) const override final;
+    virtual bool isReEntrant() const override final{ return false; }
+
+private:
+    /// Parse data from COOL
+    Gaudi::Property<std::string> m_readFromJSON{this, "readFromJSON", "" };
+    StatusCode parseDataFromJSON(const nlohmann::json& lines,
+                                 Muon::mmCTPClusterCalibData& ctpClusterCondData) const;
+
+    ServiceHandle<Muon::IMuonIdHelperSvc> m_idHelperSvc{this, "MuonIdHelperSvc", "Muon::MuonIdHelperSvc/MuonIdHelperSvc"};
+
+
+
+    SG::WriteCondHandleKey<Muon::mmCTPClusterCalibData> m_writeKey{this, "WriteKey", "mmCTPClusterCalibData", "Key of the CTP slope data in the CondStore"};
+    SG::ReadCondHandleKey<CondAttrListCollection> m_readKeyDb{this, "ReadKey", "", "Folder of the MM CTP corrections as they are stored in COOL"};
+
+
+};
+
+#endif
+