Add Box Japan example

Author: yasulab

app/views/shared/_partners.haml

@@ -38,6 +38,7 @@
   %li{style: 'margin: 30px auto 20px;'}= link_to lazy_image_tag('/partners/geolonia.png', alt: 'Geolonia', data: { toggle: 'tooltip', placement: 'bottom' }, title: 'DojoMap への地図データ提供'), 'https://news.coderdojo.jp/2022/12/01/dojomap-and-geolonia/', target: "_blank", rel: "noopener"
 
   %li{style: 'margin: 30px auto 25px;'}= link_to lazy_image_tag('/partners/docker.png', alt: 'Docker Inc.', data: { toggle: 'tooltip', placement: 'bottom' }, title: 'Docker によるチーム開発の支援'), 'https://news.coderdojo.jp/2022/12/03/docker-sponsored-open-source-program/', target: "_blank", rel: "noopener"
+  %li{style: 'margin: 30px auto 25px;'}= link_to lazy_image_tag('/partners/box.webp', alt: 'Box Japan', data: { toggle: 'tooltip', placement: 'bottom' }, title: '128台のノート PC 寄贈'), 'https://news.coderdojo.jp/2024/12/25/box-japan-to-coderdojo/', target: "_blank", rel: "noopener"
   // %li{style: 'margin: 30px auto 25px;'}= link_to lazy_image_tag('/partners/mitsue-links.png', alt: 'ミツエーリンクス', data: { toggle: 'tooltip', placement: 'bottom' }, title: '活動資金に対する支援'), 'https://news.coderdojo.jp/2023/01/01/partnership-with-mitsue-links/', target: "_blank", rel: "noopener"
 
   %li{style: 'margin: 30px auto 30px;'}= link_to lazy_image_tag('/partners/prtimes.png', alt: 'PR TIMES', data: { toggle: 'tooltip', placement: 'bottom' }, title: '非営利活動の情報発信の支援'), 'https://news.coderdojo.jp/2023/04/06/sponsored-by-prtimes/', target: "_blank", rel: "noopener"