Create .env.example for environment setup

Added example environment configuration file for iGotify.

Author: nicedevil007

.env.example

@@ -0,0 +1,34 @@
+# iGotify Notification Assistant - Environment Configuration
+#
+# Copy this file to .env and configure the values
+# Documentation: https://github.com/androidseb25/iGotify-Notification-Assistent/wiki#environment-variables
+
+# ─── Required ───────────────────────────────────────────────────────
+# Password for the default Gotify user
+GOTIFY_DEFAULTUSER_PASS=my-very-strong-password
+
+# ─── Connection Settings ────────────────────────────────────────────
+# These are ONLY required when Gotify & iGotify are NOT accessible via a public domain.
+# If both services are available over a domain, leave these empty.
+#
+# WARNING: If you set any of these three variables, you MUST set ALL THREE.
+#
+# Examples:
+#   Internal: http://gotify (container name / local DNS)
+#   External: https://mygotify.domain.tld
+#
+# For multiple instances, separate with semicolons:
+#   GOTIFY_URLS='http://gotify;http://gotify2'
+#   GOTIFY_CLIENT_TOKENS='cXXXXXXXX1;cXXXXXXXX2'
+#   SECNTFY_TOKENS='NTFY-DEVICE-XXXXXX1;NTFY-DEVICE-XXXXXX2'
+
+GOTIFY_URLS=
+GOTIFY_CLIENT_TOKENS=
+SECNTFY_TOKENS=
+
+# ─── Optional Settings ──────────────────────────────────────────────
+# Enable/disable console logging (default: true)
+ENABLE_CONSOLE_LOG='true'
+
+# Enable/disable the API endpoint page (default: true)
+ENABLE_SCALAR_UI='true'