docs: add rclone config template for reference

config/rclone.conf.template

@@ -0,0 +1,25 @@
+# JingTian rclone Configuration Template
+# 
+# This file is auto-generated by setup.ps1
+# Manual edits may be overwritten.
+#
+# Remote: SFTP connection to Ubuntu sync server
+# Used for syncing BenjaminTeam folder
+
+[jingtian-server]
+type = sftp
+host = {{SERVER_HOST}}
+user = {{SERVER_USER}}
+key_file = {{SSH_KEY_PATH}}
+shell_type = unix
+
+# Optional settings (uncomment to enable):
+# 
+# # Limit bandwidth (in KiB/s)
+# bwlimit = 10M
+#
+# # Use compression
+# use_insecure_cipher = false
+#
+# # Connection timeout
+# conn_timeout = 30s