extend readme file

README.md

@@ -1,3 +1,45 @@
 # borg_interface
 
-This application provides an interface to borg backup. At a later point it might as well work with restic.
+This application provides an interface to borg backup. At a later point it might 
+as well work with restic.
+
+### Installation and Getting started
+To start the application simply execute the borg_interface file.
+You will then see a list of options which are fairly self explanatory.
+
+
+### Configuration
+To configure borg_interface please edit the borg_interface.cfg file.
+All the options have to be placed under the [DEFAULT] section.
+The proper syntax is:
+
+```
+option: value
+```
+
+or
+
+```
+option=value
+```
+
+Possible values as of now are:
+
+##### server
+define a server on which the archive reside.
+
+##### user
+defines the user which has permission to connect to the server.
+
+##### repository_path
+defines the path where the repository is set up.
+This is needed for both a remote and a local repository.
+
+##### password
+defines the repository password
+
+### Example Config
+server: testserver.local
+user: borg
+repository_path: /home/borg/backup/repository
+password: foo