Added module docstrings and clean up

app.py

@@ -1,3 +1,7 @@
+'''
+    This is the main file of the app. This file contains the code for the streamlit app.
+'''
+
 import streamlit as st
 from streamlit_chat import message
 

job_description_fixer.py

@@ -1,3 +1,7 @@
+'''
+This module contains the functions to generate a conversation object for job description fixer
+'''
+
 import os
 import openai
 from langchain.chat_models import ChatOpenAI

job_description_generator.py

@@ -1,3 +1,7 @@
+'''
+This module contains the functions to create conversation objects for job description generation
+'''
+
 import os
 import openai
 from langchain.chat_models import ChatOpenAI