docs: update .all-contributorsrc

Author: allcontributors[bot]

.all-contributorsrc

@@ -1,6 +1,6 @@
 {
   "projectName": "donation-page",
-  "projectOwner": "vinaypuppal",
+  "projectOwner": "coderplex",
   "repoType": "github",
   "repoHost": "https://github.com",
   "files": [
@@ -20,6 +20,15 @@
         "doc",
         "design"
       ]
+    },
+    {
+      "login": "krushiraj",
+      "name": "Krushi Raj Tula",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/19507241?v=4",
+      "profile": "http://krushiraj.github.io",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7