changed project structure

sql_script/sql.ddl

@@ -0,0 +1,7 @@
+CREATE DATABASE IF NOT EXISTS camel_db;
+
+USE camel_db;
+
+CREATE TABLE IF NOT EXISTS material(id INT PRIMARY KEY, number VARCHAR(30), type ENUM('A1', 'A2', 'A3', 'B1', 'B2', 'B3', 'Z1', 'Z2', 'Z3'),name VARCHAR(30), description VARCHAR(30), is_deleted BOOLEAN);
+
+CREATE TABLE IF NOT EXISTS package(id INT PRIMARY KEY, number VARCHAR(30), material_id INT, ean VARCHAR(30), unit_of_measure VARCHAR(30), dimension VARCHAR(30), description VARCHAR(30));