Add example environment configuration file

Author: abdulkarim1422

.env.example

@@ -0,0 +1,22 @@
+# Moodle LMS Configuration
+MOODLE_API_URL=https://lms.ibtikar.org.tr
+MOODLE_API_TOKEN=xxxxxxxxxxxxxxxxxxxxxxx
+
+# Email Configuration (Resend)
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=ibtikar.org@gmail.com
+SMTP_PASS=xxxxxxxxxxxxxxx
+
+# JWT Secret (generate a secure random string)
+JWT_SECRET=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+# Admin Password
+ADMIN_PASSWORD=xxxxxxxxxxxxxxx
+
+GOOGLE_API_KEY={  "type": "service_account",  "project_id": "gsheets-vms",  "private_key_id": "xxxxxxxxxxxxxxxxxxxxxxx",  "private_key": "-----BEGIN PRIVATE KEY-----\nxxxxxxxxxxxxxxxxxxxxxxx\n-----END PRIVATE KEY-----\n",  "client_email": "xxxxxxxx@xxxx.iam.gserviceaccount.com",  "client_id": "00000000000000000",  "auth_uri": "https://accounts.google.com/o/oauth2/auth",  "token_uri": "https://oauth2.googleapis.com/token",  "auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",  "client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/xxxxxxxxxxxxxxxxxxxxxxxxxxxx",  "universe_domain": "googleapis.com"}
+
+MEMBERSHIP_NUMBER_PREFIX=2501
+
+# for deployment
+CLOUDFLARE_API_TOKEN=xxxxxxxxxxxxxxx