Add remote backup capability using SCP

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -40,6 +40,7 @@ Create new backup jobs by adding JSON configuration files to the `configs/` dire
 | `inputs` | List of directories/files to back up |
 | `ignorePatterns` | List of patterns to exclude from backup |
 | `archiveType` | Either `"tar"` (default, higher compression) or `"zip"` (faster, better compatibility) |
+| `remoteLocation` | Optional. Remote location for backup copy using scp format (e.g., `user@host:~/path`) |
 
 Example configuration:
 
@@ -54,7 +55,8 @@ Example configuration:
         ".git/",
         "node_modules/"
     ],
-    "archiveType": "zip"
+    "archiveType": "zip",
+    "remoteLocation": "user@remotehost:~/backups/"
 }
 ```
 
@@ -89,6 +91,20 @@ The exclusion system uses simple string matching:
 - No regex or glob syntax is supported
 - For directories, adding a trailing slash (e.g., `.git/`) will exclude the directory and all its contents
 
+## Remote Backup
+
+With the optional `remoteLocation` setting, Simple-Backup can automatically:
+1. Check if the remote server is accessible
+2. Ensure the target directory exists on the remote server
+3. Copy the backup file via SCP after local backup completes
+
+This requires:
+- SSH key-based authentication set up between your local and remote machines
+- The remote server must be accessible via SSH
+- You must have write permissions to the specified remote directory
+
+If the remote copy fails for any reason, the local backup will still be preserved.
+
 ## What's Next?
 
-After creating backups, you'll need to manually copy them to external storage or cloud services like Proton Drive, Google Drive, or Dropbox for off-site backup.
+If not using the remote backup feature, you'll need to manually copy your backups to external storage or cloud services like Proton Drive, Google Drive, or Dropbox for off-site backup.