Added an authentication manager for handling credentials

auth_manager.py

@@ -0,0 +1,25 @@
+#Can only be imported on main.py
+
+import yaml
+
+username: str = None
+password: str = None
+
+auth_secret_file_location = './secrets/auth.yaml'
+
+def load_username_password_from_secrets():
+    global username
+    global password
+    
+    with open(auth_secret_file_location, 'r') as auth_file:
+        auth_object = yaml.safe_load(auth_file)
+
+    username = auth_object['username']
+    password = auth_object['password']
+
+
+def get_username_password():
+    return username, password
+
+
+load_username_password_from_secrets()