docs: sponsor update

Author: posva

docs/.vuepress/components/sponsors.json

@@ -25,6 +25,12 @@
       "alt": "CodeStream",
       "imgSrcLight": "https://alt-images.codestream.com/codestream_logo_vuerouter.png",
       "imgSrcDark": "https://alt-images.codestream.com/codestream_logo_vuerouter.png"
+    },
+    {
+      "href": "https://birdeatsbug.com/?utm_source=vuerouter&utm_medium=sponsor&utm_campaign=silver",
+      "alt": "Birds Eat Bugs",
+      "imgSrcLight": "https://static.birdeatsbug.com/general/bird-logotype-150x27.svg",
+      "imgSrcDark": "https://static.birdeatsbug.com/general/bird-logotype-150x27.svg"
     }
   ],
   "bronze": [