add introduction text and credits file

docs/credits.rst

@@ -0,0 +1,22 @@
+Credits
+=======
+
+The Debian Member Portfolio Service contains contributions from several people.
+
+Code
+----
+
+  * Jan Dittberner <jandd at debian dot org>
+  * Paul Wise <pabs at debian dot org>
+
+Translations
+------------
+
+  * Jan Dittberner
+  * Daniel Manzano (Brazilian Portuguese)
+  * Izharul Haq (Indonesian)
+  * Stéphane Aulery (French)
+
+If you think your name is missing please tell me (Jan Dittberner) about your
+contribution and I'll add you.
+

docs/index.rst

@@ -1,15 +1,23 @@
-.. Debian Developer Portfolio Service documentation master file, created by sphinx-quickstart on Tue Jan 20 22:27:21 2009.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
+.. Debian Member Portfolio Service documentation master file, created by
+   sphinx-quickstart on Tue Jan 20 22:27:21 2009.  You can adapt this file
+   completely to your liking, but it should at least contain the root `toctree`
+   directive.
 
-Welcome to Debian Developer Portfolio Service's documentation!
-==============================================================
+Debian Member Portfolio Service
+===============================
 
-Contents:
+The Debian Member Portfolio Service is a web application that provides links to
+information regarding the activities of a person related to the `Debian Project
+<http://www.debian.org/>`_.
+
+The service was originally implemented and is hosted by Jan Dittberner at
+http://portfolio.debian.net/.
 
 .. toctree::
    :maxdepth: 2
 
+   credits
+
 Indices and tables
 ==================