[gimp-web/testing] Add ukfast mirror

[Michael Schumacher <schumaml src gnome org>]

commit 4b073761e9029495c6fc72b0f7db50c45ff5d66f
Author: nmat <15926-nmat users noreply gitlab gnome org>
Date:   Tue Jun 11 22:44:36 2019 +0200

    Add ukfast mirror
    
    * Fix #102

 content/downloads/mirrors2.json | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/content/downloads/mirrors2.json b/content/downloads/mirrors2.json
index 870c220b..71c3aaaf 100644
--- a/content/downloads/mirrors2.json
+++ b/content/downloads/mirrors2.json
@@ -65,11 +65,17 @@
       "ftp://ftp.icm.edu.pl/pub/graphics/gimp/";,
       "rsync://ftp.icm.edu.pl/pub/graphics/gimp/",
       "gopher://ftp.icm.edu.pl/1/pub/graphics/gimp/";
-    ],  
-    "dotsrc.org": [
+    ],
+    "dotsrc.org" : [
       "https://mirrors.dotsrc.org/gimp/";,
       "http://mirrors.dotsrc.org/gimp/";,
       "ftp://mirrors.dotsrc.org/gimp/";,
       "rsync://mirrors.dotsrc.org/gimp/"
+    ],
+    "mirrors.ukfast.co.uk" : [
+      "https://mirrors.ukfast.co.uk/sites/gimp.org/pub/gimp/";,
+      "http://mirrors.ukfast.co.uk/sites/gimp.org/pub/gimp/";,
+      "ftp://mirrors.ukfast.co.uk/gimp.org/pub/gimp/";,
+      "rsync://mirrors.ukfast.co.uk/gimp.org/pub/gimp/"
     ]
 }