Fix contributing footer text

Author: samajammin

src/components/Footer.js

@@ -224,7 +224,7 @@ const Footer = () => {
         },
         {
           to: "/en/contributing/",
-          text: "Contributing",
+          text: "contributing",
           shouldDisplay: contentVersion > 1.1,
         },
         {

src/data/contributors.json

@@ -1354,6 +1354,13 @@
       "avatar_url": "https://avatars1.githubusercontent.com/u/659390?v=4",
       "profile": "https://soliditydeveloper.com/",
       "contributions": ["content"]
+    },
+    {
+      "login": "KiChjang",
+      "name": "Keith Yeung",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/3248587?v=4",
+      "profile": "https://github.com/KiChjang",
+      "contributions": ["code"]
     }
   ],
   "contributorsPerLine": 7,

src/intl/en.json

@@ -3,6 +3,7 @@
   "site-description": "Ethereum is a global, decentralized platform for money and new kinds of applications. On Ethereum, you can write code that controls money, and build applications accessible anywhere in the world.",
   "brand-assets": "Brand assets",
   "contact": "Contact",
+  "contributing": "Contributing",
   "cookie-policy": "Cookie Policy",
   "ethereum": "Ethereum",
   "ethereum-brand-assets": "Ethereum Brand Assets",