Add Firestore security rules and deployment scripts

- Add firestore.rules for SMTP config permissions
- Add deployment scripts for Firestore rules
- Update Admin component with better error handling
- Update README with deployment instructions

deploy-firestore-rules.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+echo "🚀 Deploying Firestore Security Rules..."
+echo ""
+
+# Check if Firebase CLI is installed
+if ! command -v firebase &> /dev/null; then
+    echo "❌ Firebase CLI is not installed. Please install it first:"
+    echo "npm install -g firebase-tools"
+    exit 1
+fi
+
+# Check if user is logged in
+if ! firebase projects:list &> /dev/null; then
+    echo "🔐 Please login to Firebase first:"
+    echo "firebase login"
+    exit 1
+fi
+
+echo "📋 Available Firebase projects:"
+firebase projects:list
+
+echo ""
+echo "🔗 Make sure you're using the correct project (prayer-app-6701f)"
+echo "If not, run: firebase use prayer-app-6701f"
+echo ""
+
+read -p "Press Enter to deploy Firestore rules..."
+
+# Deploy the rules
+echo "📤 Deploying Firestore security rules..."
+firebase deploy --only firestore:rules
+
+if [ $? -eq 0 ]; then
+    echo ""
+    echo "✅ Firestore security rules deployed successfully!"
+    echo "You can now save SMTP configuration in the admin panel."
+else
+    echo ""
+    echo "❌ Failed to deploy Firestore rules. Please check the error messages above."
+    exit 1
+fi