Rename 2 sum problem.txt to README.txt

DARKcoder37 · web-flow · commit 2e29218443c2 · 2023-04-14T21:15:23.000+05:30
diff --git a/Problem Solution/1) 2 sum (easy)/README.txt b/Problem Solution/1) 2 sum (easy)/README.txt
@@ -28,4 +28,4 @@ Constraints:
 2 <= nums.length <= 104
 -109 <= nums[i] <= 109
 -109 <= target <= 109
-Only one valid answer exists.
+Only one valid answer exists.
