docs: add vasilii-kovalev as a contributor (kentcdodds#115)

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -247,6 +247,16 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "vasilii-kovalev",
+      "name": "Vasilii Kovalev",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/10310491?v=4",
+      "profile": "https://vk.com/vasilii_kovalev",
+      "contributions": [
+        "code",
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -299,6 +299,7 @@ Thanks goes to these wonderful people
     <td align="center"><a href="https://github.com/komisz"><img src="https://avatars3.githubusercontent.com/u/45998348?v=4" width="100px;" alt=""/><br /><sub><b>komisz</b></sub></a><br /><a href="https://github.com/kentcdodds/bookshelf/issues?q=author%3Akomisz" title="Bug reports">🐛</a></td>
     <td align="center"><a href="https://michaeldeboey.be"><img src="https://avatars3.githubusercontent.com/u/6643991?v=4" width="100px;" alt=""/><br /><sub><b>Michaël De Boey</b></sub></a><br /><a href="#projectManagement-MichaelDeBoey" title="Project Management">📆</a> <a href="https://github.com/kentcdodds/bookshelf/commits?author=MichaelDeBoey" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/marcosvega91"><img src="https://avatars2.githubusercontent.com/u/5365582?v=4" width="100px;" alt=""/><br /><sub><b>Marco Moretti</b></sub></a><br /><a href="https://github.com/kentcdodds/bookshelf/commits?author=marcosvega91" title="Code">💻</a></td>
+    <td align="center"><a href="https://vk.com/vasilii_kovalev"><img src="https://avatars0.githubusercontent.com/u/10310491?v=4" width="100px;" alt=""/><br /><sub><b>Vasilii Kovalev</b></sub></a><br /><a href="https://github.com/kentcdodds/bookshelf/commits?author=vasilii-kovalev" title="Code">💻</a> <a href="https://github.com/kentcdodds/bookshelf/commits?author=vasilii-kovalev" title="Documentation">📖</a></td>
   </tr>
 </table>