update firebase piece to read key json from secrets

.gitignore

@@ -39,4 +39,7 @@ ENV/
 
 # Logs
 *.log 
-pocketpal-ai-6e230-6fe017a6fd65.json
+*firebase*.json
+
+# Streamlit secrets
+.streamlit/secrets.toml

src/services/firebase.py

@@ -3,13 +3,16 @@ from firebase_admin import credentials, firestore
 from typing import List, Dict, Optional
 import pandas as pd
 import streamlit as st
+import json
 
 def initialize_firebase():
     """Initialize Firebase with credentials"""
     try:
         firebase_admin.get_app()
     except ValueError:
-        cred = credentials.Certificate('pocketpal-ai-6e230-6fe017a6fd65.json')
+        # Get the entire Firebase credentials JSON from secrets
+        firebase_creds = json.loads(st.secrets["FIREBASE_CREDENTIALS"])
+        cred = credentials.Certificate(firebase_creds)
         firebase_admin.initialize_app(cred)
     return firestore.client()