add file header

uberspace-backup.sh

@@ -1,4 +1,28 @@
 #!/bin/bash
+########################################################################
+#  Copyright (C) 2017 Max Mehl <mail [at] mehl [dot] mx>
+########################################################################
+#  
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#  
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#  
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#  
+########################################################################
+#  
+#  Saves specific files and directories from a remote server via SSH. 
+#  Provides easy shortcuts for Uberspace.de hosts.
+#  README.md provides more details.
+#  
+########################################################################
 
 CURDIR=$(dirname "$(readlink -f "$0")")
 if [ ! -e "$CURDIR"/config.cfg ]; then echo "Missing config.cfg file. Edit and rename config.cfg.sample"; exit 1; fi