Move sql data classes into database setup directory

Edit docker file to install sqlite3.

database_setup/sql_data_classes.py

@@ -0,0 +1,17 @@
+"""Simple file to set up the sqlalchemy connection to database."""
+
+from sqlalchemy import create_engine
+from sqlalchemy.ext.automap import automap_base
+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