Update Dockerfile

Dockerfile

@@ -22,6 +22,7 @@ RUN useradd -m -u 1000 user
 WORKDIR /code
 
 # تثبيت المكتبات
+# firebase-admin مضاف في requirements.txt لدعم Titan Mentor (Firestore)
 COPY requirements.txt .
 RUN pip install --no-cache-dir --upgrade -r requirements.txt