Add Firebird.Core

Author: mythz

build/build.proj

@@ -287,6 +287,13 @@
     <Exec Command="&quot;$(NuGetPath)&quot; pack &quot;$(NuGetPackageDir)/ServiceStack.OrmLite.Firebird/servicestack.ormlite.firebird.nuspec&quot; -OutputDirectory &quot;$(NuGetPackageDir)&quot; -Version $(PackageVersion) -Symbols"
             LogStandardErrorAsError="true" />
 
+    <!-- Firebird.Core -->
+    <MakeDir Directories="$(NuGetPackageDir)/ServiceStack.OrmLite.Firebird.Core/lib/netstandard2.0" Condition="!Exists('$(NuGetPackageDir)/ServiceStack.OrmLite.Firebird.Core/lib/netstandard2.0')" />
+    <Copy SourceFiles="%(FirebirdCoreFiles.Identity)" DestinationFolder="$(NuGetPackageDir)/ServiceStack.OrmLite.Firebird.Core/lib/netstandard2.0" />
+
+    <Exec Command="&quot;$(NuGetPath)&quot; pack &quot;$(NuGetPackageDir)/ServiceStack.OrmLite.Firebird.Core/servicestack.ormlite.firebird.core.nuspec&quot; -OutputDirectory &quot;$(NuGetPackageDir)&quot; -Version $(PackageVersion) -Symbols"
+          LogStandardErrorAsError="true" />
+
     <!-- VistaDB -->
 
     <MSBuild Projects="$(SrcDir)/ServiceStack.OrmLite.VistaDb/ServiceStack.OrmLite.VistaDB.csproj"

src/ServiceStack.OrmLite.sln

@@ -27,6 +27,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{6CEB3EDE
 		..\NuGet\ServiceStack.OrmLite.SqlServer\servicestack.ormlite.sqlserver.nuspec = ..\NuGet\ServiceStack.OrmLite.SqlServer\servicestack.ormlite.sqlserver.nuspec
 		..\NuGet\ServiceStack.OrmLite.T4\servicestack.ormlite.t4.nuspec = ..\NuGet\ServiceStack.OrmLite.T4\servicestack.ormlite.t4.nuspec
 		..\lib\copy.bat = ..\lib\copy.bat
+		..\NuGet\ServiceStack.OrmLite.Firebird.Core\servicestack.ormlite.firebird.core.nuspec = ..\NuGet\ServiceStack.OrmLite.Firebird.Core\servicestack.ormlite.firebird.core.nuspec
 	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ServiceStack.OrmLite.Sqlite", "ServiceStack.OrmLite.Sqlite\ServiceStack.OrmLite.Sqlite.csproj", "{CF68A37D-D071-469D-AE04-68594CB95382}"