Add more detail to README

README.md

@@ -27,9 +27,21 @@ which will output a URL to share containing the contents of `cat something`'s ST
 3.  `npm install`
 4.  `npm start`
 
+## Settings
+
+* `host` - the host the server runs on (default localhost)
+* `port` - the port the server runs on (default 7777)
+* `keyLength` - the length of the keys to user (default 10)
+* `maxLength` - maximum length of a paste (default none)
+* `staticMaxAge` - max age for static assets (86400)
+* `recompressStatisAssets` - whether or not to compile static js assets (true)
+* `documents` - static documents to serve (ex: http://hastebin.com/about.com) in addition to static assets.  These will never expire.
+* `storage` - storage options (see below)
+* `logging` - logging preferences
+
 ## Storage
 
-## File
+### File
 
 To use file storage (the default) change the storage section in `config.js` to something like:
 
@@ -59,6 +71,8 @@ Once you've done that, your config section should look like:
 }
 ```
 
+You can also set an `expire` option to the number of seconds to expire keys in.  This is off by default, but will constantly kick back expirations on each view or post.
+
 All of which are optional except `type` with very logical default values.
 
 ## Author