feat(soobing): week6 > add 3rd tried comment to all solutions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: soobing

container-with-most-water/soobing.ts

@@ -1,3 +1,4 @@
+// 3rd tried
 /**
  *
  * 문제 설명

design-add-and-search-words-data-structure/soobing.ts

@@ -1,3 +1,4 @@
+// 3rd tried
 /**
  *
  * 문제 설명

longest-increasing-subsequence/soobing.ts

@@ -1,3 +1,4 @@
+// 3rd tried
 /**
  *
  * 문제 설명

spiral-matrix/soobing.ts

@@ -1,3 +1,4 @@
+// 3rd tried
 /**
  *
  * 문제 설명

valid-parentheses/soobing.ts

@@ -1,3 +1,4 @@
+// 3rd tried
 function isValid(s: string): boolean {
   const result: string[] = [];
   const open = ["(", "[", "{"];