add .clang-format

Change-Id: I2c36b7886a25d0b235693b0776019d29608e1d52
Signed-off-by: Patrick Venture <venture@google.com>

serialization: add tests

Resolves openbmc/openbmc#1684.

Change-Id: Ia554147001e51b05fe8692ae0b39e3efaf481130
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>