docs: add hfactor13 as a contributor for code, and design (#554)

* 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

@@ -960,7 +960,8 @@
       "profile": "https://github.com/hfactor13",
       "contributions": [
         "code",
-        "review"
+        "review",
+        "design"
       ]
     }
   ],

README.md

@@ -127,7 +127,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://frostming.com"><img src="https://avatars.githubusercontent.com/u/16336606?v=4?s=100" width="100px;" alt="Frost Ming"/><br /><sub><b>Frost Ming</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=frostming" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Afrostming" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ayhanxian"><img src="https://avatars.githubusercontent.com/u/20816603?v=4?s=100" width="100px;" alt="Han"/><br /><sub><b>Han</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=ayhanxian" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Aayhanxian" title="Reviewed Pull Requests">👀</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/hfactor13"><img src="https://avatars.githubusercontent.com/u/40706933?v=4?s=100" width="100px;" alt="Henry Cuzco"/><br /><sub><b>Henry Cuzco</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=hfactor13" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Ahfactor13" title="Reviewed Pull Requests">👀</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/hfactor13"><img src="https://avatars.githubusercontent.com/u/40706933?v=4?s=100" width="100px;" alt="Henry Cuzco"/><br /><sub><b>Henry Cuzco</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=hfactor13" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Ahfactor13" title="Reviewed Pull Requests">👀</a> <a href="#design-hfactor13" title="Design">🎨</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://iscinumpy.dev"><img src="https://avatars.githubusercontent.com/u/4616906?v=4?s=100" width="100px;" alt="Henry Schreiner"/><br /><sub><b>Henry Schreiner</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=henryiii" title="Code">💻</a> <a href="#design-henryiii" title="Design">🎨</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Ahenryiii" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/hugovk"><img src="https://avatars.githubusercontent.com/u/1324225?v=4?s=100" width="100px;" alt="Hugo van Kemenade"/><br /><sub><b>Hugo van Kemenade</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=hugovk" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Ahugovk" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/InessaPawson"><img src="https://avatars.githubusercontent.com/u/43481325?v=4?s=100" width="100px;" alt="Inessa Pawson"/><br /><sub><b>Inessa Pawson</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=inessapawson" title="Code">💻</a> <a href="https://github.com/pyOpenSci/python-package-guide/pulls?q=is%3Apr+reviewed-by%3Ainessapawson" title="Reviewed Pull Requests">👀</a> <a href="#tutorial-inessapawson" title="Tutorials">✅</a></td>