Add mysql-otp to the index

index/mysql.mk

@@ -0,0 +1,7 @@
+PACKAGES += mysql
+pkg_mysql_name = mysql
+pkg_mysql_description = MySQL client library for Erlang/OTP
+pkg_mysql_homepage = https://github.com/mysql-otp/mysql-otp
+pkg_mysql_fetch = git
+pkg_mysql_repo = https://github.com/mysql-otp/mysql-otp
+pkg_mysql_commit = 1.5.1