Created base database controller and user database controller to allow for initial database control

scripts/create_tables.sql

@@ -25,7 +25,7 @@ CREATE TABLE IF NOT EXISTS Products (
 CREATE TABLE IF NOT EXISTS Orders (
     id INTEGER PRIMARY KEY,
     sellerID TEXT NOT NULL
-        REFERENCES Users (id) 
+        REFERENCES Users (id)
             ON DELETE NO ACTION
             ON UPDATE NO ACTION,
     total DECIMAL NOT NULL,