update sponsor

BACKERS.md

@@ -142,6 +142,20 @@ You can join them in supporting vue-i18n & Intlify project development by [pledg
   </a>
 </p>
 
+<p align="center">
+  <a href="https://languagemonster.com/"
+      style="margin: 1rem 1rem 0 1rem; width: 9rem; height: auto; display: inline-block; vertical-align: middle;"
+    target="_blank"
+    rel="noopener"
+  >
+    <img
+      src="https://raw.githubusercontent.com/intlify/vue-i18n/master/docs/public/LanguageMonster.svg"
+      width="140px"
+      alt="LanguageMonster"
+    />
+  </a>
+</p>
+
 [It could be you!](https://github.com/sponsors/kazupon?o=esc)
 
 <h2 align="center">Generous Supporters</h2>

README.md

@@ -99,6 +99,15 @@ Vue I18n is part of the Vue Ecosystem and Intlify Project is an open source proj
   </a>
 </p>
 
+<p align="center">
+  <a href="https://languagemonster.com/" target="_blank">
+    <img
+      src="https://raw.githubusercontent.com/intlify/vue-i18n/master/docs/public/LanguageMonster.svg"
+      width="144px"
+    />
+  </a>
+</p>
+
 <br/>
 
 ## Status: [![CI](https://github.com/intlify/vue-i18n/actions/workflows/ci.yml/badge.svg)](https://github.com/intlify/vue-i18n/actions/workflows/ci.yml)

docs/.vitepress/theme/sponsors.json

@@ -35,5 +35,9 @@
     "name": "Froggly",
     "url": "https://froggly.pl/",
     "img": "Froggly.svg"
+  }, {
+    "name": "LanguageMonster",
+    "url": "https://languagemonster.com/",
+    "img": "LanguageMonster.svg"
   }]
 }