Align documentation contents with homepage section order

Author: m-aciek

Doc/contents.rst

@@ -6,19 +6,19 @@
 
    whatsnew/index.rst
    tutorial/index.rst
-   using/index.rst
-   reference/index.rst
    builtins/index.rst
    library/index.rst
+   reference/index.rst
+   howto/index.rst
+   using/index.rst
+   installing/index.rst
    extending/index.rst
    c-api/index.rst
-   installing/index.rst
-   howto/index.rst
    faq/index.rst
    deprecations/index.rst
    glossary.rst
 
-   about.rst
    bugs.rst
-   copyright.rst
    license.rst
+   copyright.rst
+   about.rst

Doc/tools/templates/indexcontent.html

@@ -56,15 +56,15 @@ <h1>{{ docstitle|e }}</h1>
     <li class="biglink"><a class="biglink" href="{{ pathto("tutorial/index") }}">{% trans %}Tutorial{% endtrans %}</a><br>
        <span class="linkdescr">{% trans %}Start here: a tour of Python's syntax and features{% endtrans %}</span></li>
     <li class="biglink"><a class="biglink" href="{{ pathto("builtins/index") }}">{% trans %}Built-ins reference{% endtrans %}</a><br>
-         <span class="linkdescr">{% trans %}Built-in functions and classes{% endtrans %}</span></li>
-      <li class="biglink"><a class="biglink" href="{{ pathto("library/index") }}">{% trans %}Library reference{% endtrans %}</a><br>
+       <span class="linkdescr">{% trans %}Built-in functions and classes{% endtrans %}</span></li>
+    <li class="biglink"><a class="biglink" href="{{ pathto("library/index") }}">{% trans %}Library reference{% endtrans %}</a><br>
        <span class="linkdescr">{% trans %}Standard library modules{% endtrans %}</span></li>
     <li class="biglink"><a class="biglink" href="{{ pathto("reference/index") }}">{% trans %}Language reference{% endtrans %}</a><br>
        <span class="linkdescr">{% trans %}Syntax and language elements{% endtrans %}</span></li>
-    <li class="biglink"><a class="biglink" href="{{ pathto("using/index") }}">{% trans %}Python setup and usage{% endtrans %}</a><br>
-       <span class="linkdescr">{% trans %}How to install, configure, and use Python{% endtrans %}</span></li>
     <li class="biglink"><a class="biglink" href="{{ pathto("howto/index") }}">{% trans %}Python HOWTOs{% endtrans %}</a><br>
        <span class="linkdescr">{% trans %}In-depth topic manuals{% endtrans %}</span></li>
+    <li class="biglink"><a class="biglink" href="{{ pathto("using/index") }}">{% trans %}Python setup and usage{% endtrans %}</a><br>
+       <span class="linkdescr">{% trans %}How to install, configure, and use Python{% endtrans %}</span></li>
     <li class="biglink"><a class="biglink" href="{{ pathto("installing/index") }}">{% trans %}Installing Python modules{% endtrans %}</a><br>
        <span class="linkdescr">{% trans %}Third-party modules and PyPI.org{% endtrans %}</span></li>
     <li class="biglink"><a class="biglink" href="{{ pathto("extending/index") }}">{% trans %}Extending and embedding{% endtrans %}</a><br>