THRIFT-2729: C++ - .clang-format created and applied

Client: C++
Patch: Konrad Grochowski

make style command added
diff --git a/lib/cpp/test/AllProtocolTests.cpp b/lib/cpp/test/AllProtocolTests.cpp
index 65d1927..29ba193 100644
--- a/lib/cpp/test/AllProtocolTests.cpp
+++ b/lib/cpp/test/AllProtocolTests.cpp
@@ -31,8 +31,8 @@
 char errorMessage[ERR_LEN];
 
 int main(int argc, char** argv) {
-  (void) argc;
-  (void) argv;
+  (void)argc;
+  (void)argv;
   try {
     testProtocol<TBinaryProtocol>("TBinaryProtocol");
     testProtocol<TCompactProtocol>("TCompactProtocol");