seno/docker-mysql-replication: Sample docker test mysql replication @ v1.0

DenMaSeno 1e3e3c34dc init version		9 lat temu
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Dockerfile	1e3e3c34dc init version	9 lat temu
init-db.sql	1e3e3c34dc init version	9 lat temu
my.cnf	1e3e3c34dc init version	9 lat temu