Update @pubkey as a contributor

Author: rtfpessoa

.all-contributorsrc

@@ -146,7 +146,8 @@
       "avatar_url": "https://avatars3.githubusercontent.com/u/8926560?v=4",
       "profile": "https://twitter.com/pubkeypubkey",
       "contributions": [
-        "doc"
+        "doc",
+        "code"
       ]
     },
     {

README.md

@@ -512,7 +512,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/samiraguiar"><img src="https://avatars0.githubusercontent.com/u/13439135?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Samir Aguiar</b></sub></a><br /><a href="https://github.com/rtfpessoa/diff2html/commits?author=samiraguiar" title="Documentation">📖</a></td>
   </tr>
   <tr>
-    <td align="center"><a href="https://twitter.com/pubkeypubkey"><img src="https://avatars3.githubusercontent.com/u/8926560?v=4?s=100" width="100px;" alt=""/><br /><sub><b>pubkey</b></sub></a><br /><a href="https://github.com/rtfpessoa/diff2html/commits?author=pubkey" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://twitter.com/pubkeypubkey"><img src="https://avatars3.githubusercontent.com/u/8926560?v=4?s=100" width="100px;" alt=""/><br /><sub><b>pubkey</b></sub></a><br /><a href="https://github.com/rtfpessoa/diff2html/commits?author=pubkey" title="Documentation">📖</a> <a href="https://github.com/rtfpessoa/diff2html/commits?author=pubkey" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/iliyaZelenko"><img src="https://avatars1.githubusercontent.com/u/13103045?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Илья</b></sub></a><br /><a href="https://github.com/rtfpessoa/diff2html/commits?author=iliyaZelenko" title="Documentation">📖</a></td>
     <td align="center"><a href="https://akr.am"><img src="https://avatars0.githubusercontent.com/u/1823771?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Mohamed Akram</b></sub></a><br /><a href="https://github.com/rtfpessoa/diff2html/issues?q=author%3Amohd-akram" title="Bug reports">🐛</a> <a href="https://github.com/rtfpessoa/diff2html/commits?author=mohd-akram" title="Documentation">📖</a> <a href="https://github.com/rtfpessoa/diff2html/commits?author=mohd-akram" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/emarcotte"><img src="https://avatars0.githubusercontent.com/u/249390?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Eugene Marcotte</b></sub></a><br /><a href="https://github.com/rtfpessoa/diff2html/commits?author=emarcotte" title="Code">💻</a></td>