[C#] Add packaging artifacts to build a .nuget zip

[ldk-java] / c_sharp / packaging_artifacts / README.md

diff --git a/c_sharp/packaging_artifacts/README.md b/c_sharp/packaging_artifacts/README.md
new file mode 120000 (symlink)
index 0000000..fe84005
--- /dev/null
+++ b/c_sharp/packaging_artifacts/README.md
@@ -0,0 +1 @@
+../../README.md
\ No newline at end of file