Adding new samples for column level security (#725)

* add .NET SDK sample files

* fix .gitignore

* Added column level security sample files

* add launch.json

* Ensure that Exported files folder is checked in

* Adding generated solution files

Author: JimDaly

dataverse/orgsvc/C#-NETCore/ColumnLevelSecurity/.gitignore

@@ -0,0 +1,3 @@
+bin
+obj
+.vs

dataverse/orgsvc/C#-NETCore/ColumnLevelSecurity/ColumnLevelSecurity.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+	<RootNamespace>PowerPlatform_Dataverse_CodeSamples</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="ConsoleTables" Version="2.7.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.7" />
+    <PackageReference Include="Microsoft.PowerPlatform.Dataverse.Client" Version="1.2.9" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

dataverse/orgsvc/C#-NETCore/ColumnLevelSecurity/ColumnLevelSecurity.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36310.24 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ColumnLevelSecurity", "ColumnLevelSecurity.csproj", "{600EC62D-285D-4C06-B6F8-A9AF6EAE2F75}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{600EC62D-285D-4C06-B6F8-A9AF6EAE2F75}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{600EC62D-285D-4C06-B6F8-A9AF6EAE2F75}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{600EC62D-285D-4C06-B6F8-A9AF6EAE2F75}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{600EC62D-285D-4C06-B6F8-A9AF6EAE2F75}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3D1DBD1C-B478-4828-AF59-A67EDC97F3C3}
+	EndGlobalSection
+EndGlobal