adding some tools to assist in borg servers

tools/borg-restricted.py

@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+
+import os
+import pwd
+import subprocess
+
+
+cur_user = os.geteuid()
+homedir = pwd.getpwuid(cur_user).pw_dir
+
+borg_bin = '/usr/bin/borg'
+
+os.chdir(homedir)
+subprocess.run([borg_bin,
+                'serve',
+                '--restrict-to-path',
+                homedir])