added grpc-c module
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..79580f4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "third_party/grpc-c"]
+	path = third_party/grpc-c
+	url = https://github.com/shadansari/grpc-c.git
diff --git a/third_party/grpc-c b/third_party/grpc-c
new file mode 160000
index 0000000..353b40c
--- /dev/null
+++ b/third_party/grpc-c
@@ -0,0 +1 @@
+Subproject commit 353b40cd920cd749ed6cf71f8df17f1d5cf2c89d