Remove .env from repository, add .env.example template

.env.example

@@ -0,0 +1,19 @@
+# E-Mail-Konfiguration für Passwort-Reset
+SMTP_HOST=smtp.1blu.de
+SMTP_PORT=465
+SMTP_USER=your-email@domain.com
+SMTP_PASS=your-password
+SMTP_FROM=noreply@miriamgemeinde.de
+
+# Frontend-URL für Reset-Links
+FRONTEND_URL=http://localhost:8080
+
+# Backend-URL für das Frontend
+VUE_APP_BACKEND_URL=http://localhost:3002/api
+
+# Datenbank-Konfiguration (falls benötigt)
+DB_HOST=localhost
+DB_PORT=3306
+DB_NAME=miriamgemeinde
+DB_USER=miriam_user
+DB_PASS=your-database-password