implemented IconPicker for Car class

lib/utils/dbhelper_sqflite.dart

@@ -43,7 +43,8 @@ class DbHelperSqlite {
         ${Car.colVin} TEXT UNIQUE,
         ${Car.colNickname} TEXT,
         ${Car.colMileage} INTEGER,
-        ${Car.colPlate} TEXT);
+        ${Car.colPlate} TEXT,
+        ${Car.colIcon} TEXT);
         ''');
     await db.execute('''
       CREATE TABLE ${Txn.tblTxns} (

lib/utils/garage_model.dart

@@ -120,7 +120,10 @@ class _Garage extends State<Garage> {
               return ListView.separated(
                 itemCount: garage._cars.length,
                 itemBuilder: (context, index) => ListTile(
-                  leading: const Icon(Icons.directions_car),
+                  leading: CircleAvatar(
+                      backgroundImage: AssetImage(
+                          garage.cars[index].icon ?? 'images/car.png'),
+                      backgroundColor: Colors.white),
                   title: Text(garage.cars[index].nickname ?? "nick_ph"),
                   subtitle: Text(garage.cars[index].vin ?? "vin_ph"),
                   onTap: () {