add .env.example

.env.example

@@ -0,0 +1,12 @@
+# Synology NAS
+NAS_FQDN=https://your-nas.domain.com
+NAS_USER=your_username
+NAS_PASS=your_password
+NAS_FILE=/team-folders/path/to/your/file.osheet
+
+# Nexrender
+NEXRENDER_API_URL=http://your-nexrender-server:3000/api/v1/jobs
+OUTPUT_FOLDER=//your-storage/path/to/output
+
+# Logging
+RUST_LOG=info