[kobukuro]

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[Copilot]

Pull Request Overview

This PR adds a solution for the "Merge Sorted Array" LeetCode problem (problem 88) with comprehensive unit tests. The solution implements an efficient in-place merging algorithm using a two-pointer approach.

• Moves the solution from root directory to proper package structure
• Adds detailed documentation explaining time and space complexity
• Implements comprehensive test coverage with 5 test cases covering various scenarios

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
src/main/java/com/leetcode/easy/MergeSortedArray88.java	New solution implementation with detailed complexity analysis documentation
src/test/java/com/leetcode/easy/MergeSortedArray88Test.java	Comprehensive test suite with 5 test cases covering edge cases and typical scenarios
src/MergeSortedArray88.java	Removes old solution file from root directory

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