feat：适配ef core达梦10.0

Author: wangpengxpy

src/EFCore.Dm/EFCore.Dm.csproj

@@ -19,6 +19,7 @@
 		<PackageIcon>icon.png</PackageIcon>
 		<PackageLicenseFile>License.txt</PackageLicenseFile>
 		<PackageProjectUrl>https://github.com/dotnetcore/EntityFrameworkCore.Dm</PackageProjectUrl>
+		<Copyright>License.txt</Copyright>
 	</PropertyGroup>
 
 	<ItemGroup>
@@ -30,11 +31,19 @@
 		<Compile Include="..\Shared\*.cs" />
 	</ItemGroup>
 
+	<ItemGroup>
+	  <Content Include="..\..\License.txt" Link="License.txt" />
+	</ItemGroup>
+
 	<ItemGroup>
 		<None Include="..\..\icon.png">
 		  <Pack>True</Pack>
 		  <PackagePath>\</PackagePath>
 		</None>
+		<None Include="..\..\License.txt">
+		  <Pack>True</Pack>
+		  <PackagePath>\</PackagePath>
+		</None>
 		<None Include="README.md" Pack="true" PackagePath="\" />
 	</ItemGroup>