Reordered upgrade documentation

docs/en/user/upgrade-2.0.x-2.0.y.rst

@@ -0,0 +1,34 @@
+Upgrade from 2.0.x to 2.0.y
+===========================
+
+Upgrade on a dedicated web server
+---------------------------------
+
+The last release is published on https://www.wallabag.org/pages/download-wallabag.html. In order to upgrade your wallabag installation and get the last version, run the following commands in you wallabag folder (replace ``2.0.8`` by the last release number):
+
+::
+
+    git fetch origin
+    git fetch --tags
+    git checkout 2.0.8
+    SYMFONY_ENV=prod composer install --no-dev -o --prefer-dist
+    php bin/console cache:clear --env=prod
+
+Upgrade on a shared hosting
+---------------------------
+
+Backup your ``app/config/parameters.yml`` file.
+
+Download the last release of wallabag:
+
+.. code-block:: bash
+
+    wget http://wllbg.org/latest-v2-package && tar xvf latest-v2-package
+
+(md5 hash of the 2.0.8 package: ``4f84c725d1d6e3345eae0a406115e5ff``)
+
+Extract the archive in your wallabag folder and replace ``app/config/parameters.yml`` with yours.
+
+If you use SQLite, you must also copy your ``data/`` folder inside the new installation.
+
+Empty ``var/cache`` folder.