update readme

README.md

@@ -2,51 +2,55 @@ NAME
 ----
   mongoid_grid_fs
 
+INSTALL
+-------
+  gem install mongoid_grid_fs
+
 SYNOPSIS
 --------
 
-  ````ruby
+````ruby
 
-    require 'mongoid-grid_fs'
+  require 'mongoid-grid_fs'
 
-    g = GridFs.put anthing_that_respons_to_read
+  g = GridFs.put anthing_that_respons_to_read
 
-    GridFS.get id
+  GridFS.get id
 
-    GridFS.delete id
+  GridFS.delete id
 
 
-  ````
+````
 
 DESCRIPTION
 -----------
-  mongoid_grid_fs is pure mongoid 3  / moped implementation of the mongodb
+mongoid_grid_fs is pure mongoid 3  / moped implementation of the mongodb
-  grid_fs specification
+grid_fs specification
 
-   ref: http://www.mongodb.org/display/DOCS/GridFS+Specification
+ref: http://www.mongodb.org/display/DOCS/GridFS+Specification
 
-   it has the following features:
+it has the following features:
 
-    - implementation is on top of mongoid for portability.  moped (the drive)
+- implementation is on top of mongoid for portability.  moped (the drive)
-      is barely used
+  is barely used
 
-    - simple, REST-like api
+- simple, REST-like api
 
-    - support for custom namespaces (fs.files vs. image.files)
+- support for custom namespaces (fs.files vs. image.files)
 
-    - pathnames and io-like objects can be written to the grid
+- pathnames and io-like objects can be written to the grid
 
-    - auto-unique pathnames are generated (by default) to avoid collisions using #put
+- auto-unique pathnames are generated (by default) to avoid collisions using #put
 
-        'path/info/a.rb' -> '$object_id/a.rb'
+    'path/info/a.rb' -> '$object_id/a.rb'
 
-    - #[] and #[]= methods which allow the grid to be used like a giant file
+- #[] and #[]= methods which allow the grid to be used like a giant file
-      hash in the sky
+  hash in the sky
 
-    - supprt for data_uris
+- supprt for data_uris
 
-      ````eruby
+  ````eruby
 
-        <%= image_tag :src => file.data_url %>
+    <%= image_tag :src => file.data_url %>
 
-      ````
+  ````