Add planned features and basic howto

README.md

@@ -2,5 +2,13 @@
 Summarises borg backups using output from 'borg create'.
 
 ## Features
-* Parses json output from borg create --json
+* Parses json output from 'borg create --json'
 * Stores Repo and archive information in sqlite database
+
+### Planned:
+* Summary CLI interface
+* Output to HTML
+
+## How to use
+Pipe the output of 'borg create --json' to the script, e.g.
+> borg create --json /repo/path::name /important/data/ | python3 ./main.py