THRIFT-5349 Add net5.0 as supported platform
Client: netstd
Patch: Jens Geyer

This closes #2328
diff --git a/lib/netstd/Thrift/Protocol/TBase.cs b/lib/netstd/Thrift/Protocol/TBase.cs
index df9dd34..09bb43f 100644
--- a/lib/netstd/Thrift/Protocol/TBase.cs
+++ b/lib/netstd/Thrift/Protocol/TBase.cs
@@ -18,6 +18,8 @@
 using System.Threading;
 using System.Threading.Tasks;
 
+#pragma warning disable IDE1006   // some interfaces here are intentionally not I-prefixed 
+
 namespace Thrift.Protocol
 {
     public interface TUnionBase