customer can be saved into db

data.cpp

@@ -0,0 +1,14 @@
+#include "headers/data.h"
+
+namespace data {
+
+SQLite::Database start_db() {
+    SQLite::Database db("test.db3", SQLite::OPEN_READWRITE | SQLite::OPEN_CREATE);
+
+    db.exec("create table if not exists Customer (id integer primary key, name text, card_code varchar(20), verhicle int)");
+    db.exec("create table if not exists Park_spot (id integer primary key, taken boolean, customer_id int)");
+    db.exec("create table if not exists Park_time (id integer primary key, customer_id int, spot_id int, start real, end real, duration real)");
+
+    return db;
+}
+} // namespace data