Pinned flake8 to 5.0.4 due to breaking change in flake8-quotes

Flake8 6.0.0 introduced breaking changes in arg parsing which affect the flake8-quotes plugin. See:
https://github.com/pycqa/flake8/pull/1739
https://github.com/zheller/flake8-quotes/pull/111

compendium_v2/routes/api.py

@@ -4,15 +4,13 @@ API Endpoints
 
 .. contents:: :local:
 
-/api/things
+/api/data-entries/
 ---------------------
 
 
 
 """
-import json
 import logging
-import os
 
 from flask import Blueprint
 

requirements-dev.txt

 -r requirements.txt
-flake8
+flake8==5.0.4
 flake8-quotes
 isort
 mypy
@@ -9,3 +9,5 @@ types-docutils
 types-jsonschema
 types-Flask-Cors
 types-setuptools
+types-sqlalchemy
+types-flask_migrate
\ No newline at end of file