docs: add tkoyama010 as a contributor for doc (#380)

* docs: update README.md [skip ci]

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

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -761,7 +761,8 @@
       "profile": "https://github.com/tkoyama010",
       "contributions": [
         "code",
-        "review"
+        "review",
+        "doc"
       ]
     },
     {

README.md

@@ -167,7 +167,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://www.linkedin.com/in/ncclementi/"><img src="https://avatars.githubusercontent.com/u/7526622?v=4?s=100" width="100px;" alt="Naty Clementi"/><br /><sub><b>Naty Clementi</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=ncclementi" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Ancclementi" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/John-Drake"><img src="https://avatars.githubusercontent.com/u/22374979?v=4?s=100" width="100px;" alt="John Drake"/><br /><sub><b>John Drake</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=John-Drake" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3AJohn-Drake" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Revathyvenugopal162"><img src="https://avatars.githubusercontent.com/u/104772255?v=4?s=100" width="100px;" alt="Revathy Venugopal"/><br /><sub><b>Revathy Venugopal</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=Revathyvenugopal162" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3ARevathyvenugopal162" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/pyOpenSci/python-package-guide/commits?author=Revathyvenugopal162" title="Documentation">📖</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/tkoyama010"><img src="https://avatars.githubusercontent.com/u/7513610?v=4?s=100" width="100px;" alt="Tetsuo Koyama"/><br /><sub><b>Tetsuo Koyama</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=tkoyama010" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Atkoyama010" title="Reviewed Pull Requests">👀</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/tkoyama010"><img src="https://avatars.githubusercontent.com/u/7513610?v=4?s=100" width="100px;" alt="Tetsuo Koyama"/><br /><sub><b>Tetsuo Koyama</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=tkoyama010" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Atkoyama010" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/pyOpenSci/python-package-guide/commits?author=tkoyama010" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://hachyderm.io/web/@willingc"><img src="https://avatars.githubusercontent.com/u/2680980?v=4?s=100" width="100px;" alt="Carol Willing"/><br /><sub><b>Carol Willing</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Awillingc" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/kozo2"><img src="https://avatars.githubusercontent.com/u/12192?v=4?s=100" width="100px;" alt="Kozo Nishida"/><br /><sub><b>Kozo Nishida</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Akozo2" title="Reviewed Pull Requests">👀</a> <a href="#translation-kozo2" title="Translation">🌍</a></td>
     </tr>