better API docs && more features in list

docs/index.rst

@@ -1,7 +1,7 @@
-Privacy-respecting free metasearch engine
-=========================================
+Welcome to searx
+================
 
-Searx is a free software internet metasearch engine which aggregates results from other search engines, while not storing information about its users. Searx does not track or profile its users, nor does it share its users' data with third parties. Additionally, searx can be used over Tor for online anonymity.
+Searx is a free software internet metasearch engine which aggregates results from more than 70 engines, while not storing information about its users. Searx does not track or profile its users, nor does it share its users' data with third parties. Additionally, searx can be used over Tor for online anonymity.
 
 
 Features
@@ -15,16 +15,26 @@ Features
  - Does not collect its users data
  - Offers secure, encrypted connections (HTTPS/SSL)
  - Hosted by organisations, such as La Quadrature du Net, which promote digital rights
+ - About 70 supported search engines
+ - Easy intergration with any search engine
 
 
-Further reading
----------------
+User documentation
+------------------
 
 .. toctree::
    :maxdepth: 1
 
    user/search_syntax
 
+Administrator documentation
+---------------------------
+
+.. toctree::
+   :maxdepth: 1
+
+   dev/install/installation
+   admin/api
 
 Developer documentation
 -----------------------
@@ -34,7 +44,6 @@ Developer documentation
 
    dev/quickstart
    dev/contribution_guide
-   dev/install/installation
    dev/engine_overview
    dev/search_api
    dev/plugins