fix: replace real emails with placeholder in .env.example

Author: Aymanseif

.env.example

@@ -23,7 +23,7 @@ GOOGLE_GENERATIVE_AI_API_KEY=
 ANTHROPIC_API_KEY=
 
 # ── ADMIN ───────────────────────────────────────────────────
-ADMIN_EMAILS=aams1969@gmail.com,ayman@teosegypt.com
+ADMIN_EMAILS=admin@example.com
 
 # ── EMAIL (Resend) ─────────────────────────────────────────
 RESEND_API_KEY=