Move Cake struct to separate models package

internal/store/store.go

@@ -4,12 +4,13 @@ import (
 	"database/sql"
 	"log"
 
+	"github.com/Bronku/iroon/internal/models"
 	_ "github.com/mattn/go-sqlite3"
 )
 
 type Store struct {
 	db    *sql.DB
-	cakes []Cake
+	cakes []models.Cake
 }
 
 func OpenStore(filename string) *Store {