Python: Add API for importing well log data

Implement comprehensive Python API for importing well log data into ResInsight
well paths using lists of float values.

Core implementation:
- RigImportedWellLogData: Data storage class inheriting from RigWellLogData
- RimImportedWellLog: Scriptable model class for Python GRPC interface
- RimcWellPath_addWellLogInternal: GRPC method using key-value store for data transfer
- well_path.add_well_log(): Python API with validation and error handling

Features:
- Simple API: well_path.add_well_log(name='LogName', values=[1.0, 2.0, 3.0])
- Comprehensive input validation and type checking
- Efficient data transfer via key-value store mechanism
- Proper error handling with cleanup on failure
- Integration with existing well path functionality

Testing:
- 10 comprehensive unit tests covering all functionality
- Validation of input types, error conditions, and edge cases
- Integration testing with well path creation

Usage example included in PythonExamples directory demonstrating
import of gamma ray, porosity, and permeability log data.

ApplicationLibCode/ReservoirDataModel/Well/RigImportedWellLogData.h

@@ -0,0 +1,62 @@
+/////////////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2025     Equinor ASA
+//
+//  ResInsight is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
+//  WARRANTY; without even the implied warranty of MERCHANTABILITY or
+//  FITNESS FOR A PARTICULAR PURPOSE.
+//
+//  See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
+//  for more details.
+//
+/////////////////////////////////////////////////////////////////////////////////
+
+#pragma once
+
+#include "RigWellLogData.h"
+
+#include <QString>
+#include <QStringList>
+
+#include <map>
+#include <vector>
+
+//==================================================================================================
+///
+//==================================================================================================
+class RigImportedWellLogData : public RigWellLogData
+{
+public:
+    RigImportedWellLogData();
+    ~RigImportedWellLogData() override;
+
+    QStringList wellLogChannelNames() const override;
+
+    std::vector<double> depthValues() const override;
+    std::vector<double> tvdMslValues() const override;
+    std::vector<double> tvdRkbValues() const override;
+
+    std::vector<double> values( const QString& name ) const override;
+
+    QString wellLogChannelUnitString( const QString& wellLogChannelName ) const override;
+    QString depthUnitString() const override;
+
+    bool hasTvdMslChannel() const override;
+    bool hasTvdRkbChannel() const override;
+
+    double getMissingValue() const override;
+
+    void setChannelData( const QString& channelName, const std::vector<double>& values );
+    void setDepthValues( const std::vector<double>& depthValues );
+
+private:
+    std::vector<double>                    m_depthValues;
+    std::map<QString, std::vector<double>> m_channelData;
+
+    static const double MISSING_VALUE;
+};