update sponsor

Author: kazupon

BACKERS.md

@@ -20,6 +20,22 @@ You can join them in supporting vue-i18n & Intlify project development by [pledg
   </a>
 </p>
 
+<p align="center">
+  <a
+    href="https://www.microsoft.com/"
+    style="margin: 1rem 1rem 0 1rem; width: 30rem; height: auto; display: inline-block; vertical-align: middle;"
+    target="_blank"
+    rel="noopener"
+  >
+    <img
+      style="max-width: 100%; vertical-align: midele;"
+      src="https://raw.githubusercontent.com/intlify/vue-i18n/master/docs/public/microsoft.webp"
+      width="400px"
+      alt="Microsoft"
+    >
+  </a>
+</p>
+
 <h2 align="center">Special Sponsors</h2>
 
 <p align="center">

README.md

@@ -21,6 +21,15 @@ Vue I18n is part of the Vue Ecosystem and Intlify Project is an open source proj
   </a>
 </p>
 
+<p align="center">
+  <a href="https://www.microsoft.com/" target="_blank">
+    <img
+      src="https://raw.githubusercontent.com/intlify/vue-i18n/master/docs/public/microsoft.webp"
+      width="400px"
+    />
+  </a>
+</p>
+
 <h3 align="center">✨ Special Sponsors</h3>
 
 <p align="center">

docs/.vitepress/theme/sponsors.json

@@ -3,6 +3,10 @@
     "name": "Zen Architects",
     "url": "https://zenarchitects.co.jp/",
     "img": "zenarchitects.png"
+  }, {
+    "name": "Microsoft",
+    "url": "https://www.microsoft.com/",
+    "img": "microsoft.webp"
   }],
   "special": [{
     "name": "PLAID",