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

Client: C++
Patch: Konrad Grochowski

make style command added
Revert "THRIFT-2729: C++ - .clang-format created and applied"

This reverts commit 74260aa9099c3bb209bc8e524b0e8ba603f62c41.
THRIFT-2729: C++ - .clang-format created and applied

Client: C++
Patch: Konrad Grochowski

make style command added