Add smux lib

[mrpalide]

Did you run make format && make check? Yes

Fixes # Part of

Changes:

• add protocol field to dmsg part of config, as default is yamux for now, and will change to smux in next release if all test passed
• add multiplexing-lib flag to RF, and other services will have it, but not work for now and has some problem, so we will add it to others in next PR.

How to test this PR:

• clone dmsg on Add smux lib dmsg#313 beside
• run make dep && make integration-env-build
• run make e2e-test
• check logs of test