docs: add iammytoo as a contributor for code, and research (#2625)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

* style: format code with Gofumpt and Prettier

This commit fixes the style issues introduced in 50eb684 according to the output
from Gofumpt and Prettier.

Details: #2625

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
Co-authored-by: Yusuke Kato <kpango@vdaas.org>
Co-authored-by: deepsource-autofix[bot] <62050782+deepsource-autofix[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -204,6 +204,16 @@
         "tool",
         "code"
       ]
+    },
+    {
+      "login": "iammytoo",
+      "name": "miyamoto",
+      "avatar_url": "https://avatars.githubusercontent.com/u/64457274?v=4",
+      "profile": "https://github.com/iammytoo",
+      "contributions": [
+        "code",
+        "research"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -265,7 +265,7 @@ make init
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
 
-[![All Contributors](https://img.shields.io/badge/all_contributors-19-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-20-orange.svg?style=flat-square)](#contributors)
 
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
@@ -300,6 +300,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/aknishid"><img src="https://avatars.githubusercontent.com/u/38955080?v=4?s=100" width="100px;" alt="aknishid"/><br /><sub><b>aknishid</b></sub></a><br /><a href="https://github.com/vdaas/vald/commits?author=aknishid" title="Code">💻</a> <a href="#maintenance-aknishid" title="Maintenance">🚧</a> <a href="https://github.com/vdaas/vald/commits?author=aknishid" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://hrichik.xyz"><img src="https://avatars.githubusercontent.com/u/57860916?v=4?s=100" width="100px;" alt="Hrichik Mazumder"/><br /><sub><b>Hrichik Mazumder</b></sub></a><br /><a href="https://github.com/vdaas/vald/commits?author=hrichiksite" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/smorihira"><img src="https://avatars.githubusercontent.com/u/105629359?v=4?s=100" width="100px;" alt="Shunya Morihira (森平 隼矢)"/><br /><sub><b>Shunya Morihira (森平 隼矢)</b></sub></a><br /><a href="#tool-smorihira" title="Tools">🔧</a> <a href="https://github.com/vdaas/vald/commits?author=smorihira" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/iammytoo"><img src="https://avatars.githubusercontent.com/u/64457274?v=4?s=100" width="100px;" alt="miyamoto"/><br /><sub><b>miyamoto</b></sub></a><br /><a href="https://github.com/vdaas/vald/commits?author=iammytoo" title="Code">💻</a> <a href="#research-iammytoo" title="Research">🔬</a></td>
     </tr>
   </tbody>
 </table>