[gimp-web] Temporary use the annual report "Hello 2022" header.

[Jehan <jehanp src gnome org>]

commit 90f947147ad503aa9a41ce9489e76ada68f17398
Author: Jehan <jehan girinstud io>
Date:   Fri Dec 31 18:50:18 2021 +0100

    Temporary use the annual report "Hello 2022" header.
    
    Only for 2 or 3 weeks, I'd say, during the new year season to get a bit
    of a holiday season vibe.

 header-images.json    | 8 ++++++++
 pelicanconf_common.py | 2 ++
 2 files changed, 10 insertions(+)
---
diff --git a/header-images.json b/header-images.json
index b9c5d4aa..f1085cb3 100644
--- a/header-images.json
+++ b/header-images.json
@@ -20,5 +20,13 @@
         "sourceURL": "https://silentumbrella.com/";,
         "file": "/images/frontpage/headers/Matador_Rocks.jpg",
         "license": "cc-by-sa"
+    },
+    {
+        "author": "Aryeom Han",
+        "authorURL": "https://film.zemarmot.net/";,
+        "title": "Hello 2022",
+        "sourceURL": 
"http://gimp.org/news/2021/12/31/gimp-2021-annual-report/2021-12-wilber-and-co-year-end-party.png";,
+        "file": "/news/2021/12/31/gimp-2021-annual-report/2021-12-wilber-and-co-year-end-party.png",
+        "license": "cc-by-sa 4.0"
     }
 ]
diff --git a/pelicanconf_common.py b/pelicanconf_common.py
index cd2a9cc1..a9ac5ae4 100644
--- a/pelicanconf_common.py
+++ b/pelicanconf_common.py
@@ -429,3 +429,5 @@ with open('header-images.json') as data:
     IMG_LIST = json.load(data)
 
 HEADER_IMG = IMG_LIST[ randint(0, len(IMG_LIST) - 1) ]
+# Temporary for the new year 2022.
+HEADER_IMG = IMG_LIST[3]