added build & push

mysql/docker-entrypoint-initdb.d/00-create-kopano-user.sql

@@ -1,2 +1,5 @@
 CREATE USER 'kopano' IDENTIFIED BY 'Asdf2345';
-GRANT ALL ON kopano.* TO 'kopano'@'%';
+GRANT ALL ON kopano.* TO 'kopano'@'%';
+flush privileges;
+-- database is created by server automatically if not present
+-- create database kopano CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;