docs: add amitmiran137 as a contributor (#212)

Author: allcontributors[bot]

Diff for: .all-contributorsrc

@@ -207,6 +207,15 @@
         "code",
         "ideas"
       ]
+    },
+    {
+      "login": "amitmiran137",
+      "name": "Amit Miran",
+      "avatar_url": "https://avatars.githubusercontent.com/u/47772523?v=4",
+      "profile": "https://github.com/amitmiran137",
+      "contributions": [
+        "infra"
+      ]
     }
   ],
   "contributorsPerLine": 7,

Diff for: README.md

@@ -211,6 +211,9 @@ Thanks goes to these people ([emoji key][emojis]):
     <td align="center"><a href="https://github.com/the-ult"><img src="https://avatars.githubusercontent.com/u/4863062?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Arjen</b></sub></a><br /><a href="https://github.com/testing-library/angular-testing-library/commits?author=the-ult" title="Code">💻</a></td>
     <td align="center"><a href="https://lacolaco.net"><img src="https://avatars.githubusercontent.com/u/1529180?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Suguru Inatomi</b></sub></a><br /><a href="https://github.com/testing-library/angular-testing-library/commits?author=lacolaco" title="Code">💻</a> <a href="#ideas-lacolaco" title="Ideas, Planning, & Feedback">🤔</a></td>
   </tr>
+  <tr>
+    <td align="center"><a href="https://github.com/amitmiran137"><img src="https://avatars.githubusercontent.com/u/47772523?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Amit Miran</b></sub></a><br /><a href="#infra-amitmiran137" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+  </tr>
 </table>
 
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