docs: update .all-contributorsrc [skip ci]

Author: allcontributors[bot]

.all-contributorsrc

@@ -324,6 +324,16 @@
  "contributions": [
  "code"
  ]
+ },
+ {
+ "login": "Pankajcoder1",
+ "name": "Pankaj Kumar",
+ "avatar_url": "https://avatars0.githubusercontent.com/u/54040417?v=4",
+ "profile": "https://pankajcoder1.github.io/Pankajcoder1/",
+ "contributions": [
+ "code",
+ "ideas"
+ ]
  }
  ],
  "contributorsPerLine": 7,