Update optdeps and post-install comment

.SRCINFO

@@ -13,6 +13,8 @@ pkgbase = wallabag
 	optdepends = php-mysql: For MySQL storage
 	optdepends = php-pgsql: For postgres storage
 	optdepends = php-sqlite: For sqlite storage
+	optdepends = rabbitmq: For async import
+	optdepends = redis: For async import
 	options = !strip
 	backup = etc/webapps/wallabag/parameters.yml
 	backup = usr/share/webapps/wallabag/parameters.yml

PKGBUILD

@@ -17,6 +17,8 @@ optdepends=(
     'php-mysql: For MySQL storage'
     'php-pgsql: For postgres storage'
     'php-sqlite: For sqlite storage'
+    'rabbitmq: For async import'
+    'redis: For async import'
 )
 install="$pkgname.install"
 options=(!strip)

wallabag.install

@@ -10,7 +10,10 @@ post_install() {
     echo "php /usr/share/webapps/wallabag/bin/console wallabag:install --env=prod"
     echo ""
     echo -n "To setup your webserver and enable the needed php extensions, "
-    echo "plase read: http://doc.wallabag.org/en/master/user/installation.html"
+    echo "please read: http://doc.wallabag.org/en/master/user/installation.html"
+    echo ""
+    echo -n "If you upgraded from 2.0.x, you might need to check the upgrade guide: "
+    echo "http://doc.wallabag.org/en/master/user/upgrade-2.0.x-2.1.1.html"
 }