Fixed a typo in DbHelper

Author: Jana Hoch

app/src/main/java/com/blogspot/e_kanivets/moneytracker/repo/DbHelper.java

@@ -344,7 +344,7 @@ private void createDbVersion6(SQLiteDatabase db) {
                 + TYPE_COLUMN + " INTEGER,"
                 + TITLE_COLUMN + " TEXT,"
                 + CATEGORY_ID_COLUMN + " INTEGER,"
-                + NOTES_COLUMN + "TEXT,"
+                + NOTES_COLUMN + " TEXT,"
                 + PRICE_COLUMN + " INTEGER,"
                 + ACCOUNT_ID_COLUMN + " INTEGER,"
                 + CURRENCY_COLUMN + " TEXT,"