refactor: modularize code by creating separate utility modules for environment, configuration, UI setup, API key management, content generation, SEO tools, file processing, and voice processing

lib/utils/config_manager.py

@@ -0,0 +1,13 @@
+import json
+import os
+import streamlit as st
+
+def save_config(config):
+    """
+    Saves the provided configuration dictionary to a JSON file specified by the environment variable.
+    """
+    try:
+        with open(os.getenv("ALWRITY_CONFIG"), "w") as config_file:
+            json.dump(config, config_file, indent=4)
+    except Exception as e:
+        st.error(f"An error occurred while saving the configuration: {e}")