refacto - restructure code

mysql/build.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+databases=("db_test" "db_prod")
+
+template="./mysql/template.sql"
+output="./mysql/init/init.sql"
+
+> "$output"
+for database in "${databases[@]}"; do
+  sed "s/\${database}/$database/g" "$template" >> "$output"
+  echo "" >> "$output"
+done