Add MySQL configuration.

config.go

@@ -16,6 +16,7 @@ type Config struct {
 	NoAutoTimestamps bool
 
 	Postgres PostgresConfig
+	MySQL    MySQLConfig
 }
 
 // PostgresConfig configures a postgres database
@@ -27,3 +28,13 @@ type PostgresConfig struct {
 	DBName  string
 	SSLMode string
 }
+
+// MySQLConfig configures a mysql database
+type MySQLConfig struct {
+	User    string
+	Pass    string
+	Host    string
+	Port    int
+	DBName  string
+	SSLMode string
+}