more Readme and audio folder

README.md

@@ -7,22 +7,31 @@ Sometimes I find downloaded audiobooks on very old HDDs, or download [free publi
 - you can continue listen to the book from the position you stopped at the last time
 - no need to download anything beforehand, listen media directly from the Internet
 
-This app can generate XML feed that you put into your podcast app and listen to audiobook as if it were a podcast! You don't need to download media files onto your device and use any storage space.  
+This app can generate XML feed that you put into your podcast app and listen to audiobook as if it were a podcast! You don't need to download media files onto your device and use any storage space.
 
 ## Demo
 To build a demo app, simply run
 
 `make demo`
 
-Your server will be up and running after downloading some public domain content. 
+Your server will be up and running after downloading some public domain content.
 
 Visit http://localhost:8080/index to see titles list
 
-Demo server is also available at http://audiofeed_demo.cdns.com.ua:8983/index 
+Demo server is also available at http://audiofeed_demo.cdns.com.ua:8983/index
+
+## Command line arguments
+- `--folder=(string)` - path to folder with audiobooks (default "audio")
+- `--code=(string)` - access code (optional) - if set, /index/{code} should be used instead of /index to access titles list, (default "")
+- `--port=(int)` - port to listen on (default 8080)
+- `--dbg` - enable debug mode (default false)
+- `--help` - show help
 
 ## Usage
 - Put your audiobook folder into `audio` folder
-- Get RSS URL for your podcast app
+- Run `audiofeed` with your arguments or simply `make run`
+- Visit `http://localhost:8080/index` to see titles list
+- Copy XML feed link and add it to your podcast app
 - Enjoy
 
 ## Ubuntu autorun crontab line