Configure DataSource in Example class
Create ProductDao and autowire it with PurchaseController
Make pruchase class to correct calculate price
Modify .gitignore add Configuration class
Add public folder for static content
Add to purchase template 'brand' field
Rename ProductDAO to ProductJpaRepository and aoutowire it with PurchaseController
Mark Product as an Entity and change configuration in Example file
Change properties in application.properties
fixed bug with db
Enable DataSource to support UTF-8
accept float value in price field