THRIFT-4723 Consolidate C#/netcore into new netstd language target
Client: netstd
Patch: Jens Geyer

This closes #1710
diff --git a/.gitignore b/.gitignore
index cd98fa7..135b085 100644
--- a/.gitignore
+++ b/.gitignore
@@ -232,6 +232,8 @@
 /lib/js/test/build
 /lib/netcore/**/bin
 /lib/netcore/**/obj
+/lib/netstd/**/bin
+/lib/netstd/**/obj
 /lib/nodejs/coverage
 /lib/nodejs/node_modules/
 /lib/perl/MANIFEST
@@ -337,6 +339,9 @@
 /test/netcore/**/bin
 /test/netcore/**/obj
 /test/netcore/Thrift
+/test/netstd/**/bin
+/test/netstd/**/obj
+/test/netstd/Thrift
 /test/php/php_ext_dir/
 /test/rs/Cargo.lock
 /test/rs/src/thrift_test.rs
@@ -390,6 +395,9 @@
 /tutorial/netcore/**/bin
 /tutorial/netcore/**/obj
 /tutorial/netcore/Thrift
+/tutorial/netstd/**/bin
+/tutorial/netstd/**/obj
+/tutorial/netstd/Interfaces
 /tutorial/rs/*.iml
 /tutorial/rs/src/shared.rs
 /tutorial/rs/src/tutorial.rs