frontport 1.13.1 changelog (#14175)

* frontport 1.13.1 changelog

* Update config.yaml

Co-authored-by: zeripath <art27@cantab.net>

docs/config.yaml

@@ -18,7 +18,7 @@ params:
   description: Git with a cup of tea
   author: The Gitea Authors
   website: https://docs.gitea.io
-  version: 1.13.0
+  version: 1.13.1
   minGoVersion: 1.13
   goVersion: 1.15
   minNodeVersion: 10.13
@@ -51,7 +51,7 @@ menu:
     - name: Shop
       url: https://shop.gitea.io/
       weight: 40
-      pre: code
+      pre: shopping-cart
     - name: Translation
       url: https://crowdin.com/project/gitea
       weight: 41