kennyh/emqx4.3: create emqx project @ baa9fd8255e4e2a70a3f76cd6afae43e4e11650c

Drzewo: baa9fd8255

Zaiming Shi 6c21a9473a chore(build): Fail fast on old version OTP		5 lat temu
..
elvis-check.sh	82d14df3e7 Merge remote-tracking branch 'origin/master' into dev/v4.3.0	5 lat temu
ensure-rebar3.sh	30293b602a chore(build): move rebar3 download script to scripts dir	5 lat temu
fail-on-old-otp-version.escript	6c21a9473a chore(build): Fail fast on old version OTP	5 lat temu
get-dashboard.sh	30293b602a chore(build): move rebar3 download script to scripts dir	5 lat temu
shellcheck.sh	aadd1ba11a add shellcheck to ci (#4126)	5 lat temu
start-two-nodes-in-docker.sh	aadd1ba11a add shellcheck to ci (#4126)	5 lat temu