added challenge-18 gists

Mrjoy832 · Mrjoy832 · commit 059fb9b72842 · 2022-09-19T10:11:18.000+05:30
diff --git a/challengers-list.md b/challengers-list.md
@@ -2,3 +2,4 @@
 1. [Mrinal](https://github.com/mrinal1224)
 2. [Shivay](https://github.com/shivaylamba)
 3. [Raghav](https://github.com/raghavdhingra)
+4. [TRIDIB](https://github.com/Mrjoy832)
diff --git a/contributors/Mrjoy832/git-solutions.md b/contributors/Mrjoy832/git-solutions.md
@@ -0,0 +1,5 @@
+- Software Development Related Topic Gist: 
+https://gist.github.com/Mrjoy832/df6bb16f3bb32faaaa5f68c9150477c8
+
+- Code Snippet Gist : 
+https://gist.github.com/Mrjoy832/bcfb0aeba9539152f70e3a8b0b93295e
