docs: add SaiMaheshwarReddy as a contributor for code (#236)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -340,6 +340,17 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "SaiMaheshwarReddy",
+      "name": "Sai Maheshwar",
+      "avatar_url": "https://avatars.githubusercontent.com/u/61627080?v=4",
+      "profile": "https://github.com/SaiMaheshwarReddy",
+      "contributions": [
+        "code"
+      ]
     }
-  ]
+  ],
+  "commitType": "docs",
+  "commitConvention": "angular"
 }