first themes docs

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+======================
+SemanticScuttle Themes
+======================
+SemanticScuttle may be changed visually by supplying custom "themes" that
+modify the visual appearance.
+
+
+Changing the current theme
+==========================
+In ``data/config.php``, set your theme like this:
+
+    $theme = 'darkmood';
+
+
+Changeable files
+================
+
+CSS file
+--------
+FIXME, missing at the moment
+
+
+Template files
+--------------
+The templates of the default file are located in
+
+    data/templates/default/
+
+You may put your theme template files into
+
+    data/templates/$themename/
+