Move sql data classes into database setup directory

Edit docker file to install sqlite3.

utilities/sql_data_classes.py

@@ -1,21 +0,0 @@
-"""
-Simple file to set up the sqlalchemy connection to database.
-"""
-
-from sqlalchemy import create_engine
-from sqlalchemy.ext.automap import automap_base
-
-# pylint: disable=import-error
-from utilities import config
-
-# connect with sql alchemy and autoload schema
-url = f"mysql+pymysql://{config.SQL_USER}:{config.SQL_PASS}@{config.SQL_HOST}/{config.SQL_DB}"
-engine = create_engine(url)
-Base = automap_base()
-Base.prepare(autoload_with=engine)
-
-# define the classes
-Guild = Base.classes.Guilds
-CategoryGroup = Base.classes.CategoryGroups
-Category = Base.classes.Categories
-Score = Base.classes.Scores

utilities/utils.py

@@ -11,7 +11,7 @@ from sqlalchemy import distinct, select
 from sqlalchemy.orm import Session, aliased
 
 # pylint: disable=import-error
-from utilities.sql_data_classes import Category, CategoryGroup, Guild, Score, engine
+from database_setup.sql_data_classes import Category, CategoryGroup, Guild, Score, engine
 
 MAX_LINE_LENGTH = 142