docs: add @polynomialspace as a contributor

.all-contributorsrc

@@ -18,6 +18,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "polynomialspace",
+      "name": "polynomialspace",
+      "avatar_url": "https://avatars.githubusercontent.com/u/45617594?v=4",
+      "profile": "https://github.com/polynomialspace",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,6 +1,6 @@
 <div align="center">
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-2-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 <img src="https://github.com/nao1215/mimixbox/blob/main/docs/images/logo.jpg" width="100">
 </div>
@@ -133,6 +133,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tbody>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://debimate.jp/"><img src="https://avatars.githubusercontent.com/u/22737008?v=4?s=75" width="75px;" alt="CHIKAMATSU Naohiro"/><br /><sub><b>CHIKAMATSU Naohiro</b></sub></a><br /><a href="https://github.com/nao1215/mimixbox/commits?author=nao1215" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/polynomialspace"><img src="https://avatars.githubusercontent.com/u/45617594?v=4?s=75" width="75px;" alt="polynomialspace"/><br /><sub><b>polynomialspace</b></sub></a><br /><a href="https://github.com/nao1215/mimixbox/commits?author=polynomialspace" title="Code">💻</a></td>
     </tr>
   </tbody>
   <tfoot>