WIP added minimal example to showcase usage of cquiche client

...s-benchmark-framework/emulation-exp/code/cquiche/Makefile

...-benchmark-framework/emulation-exp/code/cquiche/README.md

...ork/emulation-exp/code/cquiche/cquiche_s_timer/.gitignore

...ork/emulation-exp/code/cquiche/cquiche_s_timer/Cargo.lock

...ork/emulation-exp/code/cquiche/cquiche_s_timer/Cargo.toml

...rk/emulation-exp/code/cquiche/cquiche_s_timer/src/main.rs

...benchmark-framework/emulation-exp/code/cquiche/install.sh

...rk-framework/emulation-exp/code/install-prereqs-ubuntu.sh

...on-exp/code/kex/saved/qlogdir/cquiche-to-cloudflare.sqlog