Add Split algorithm into the packages of String

[deviljin1009]

Split a string into substrings with given delimiters.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[ErrolFernandes]

there is already the split() function in java.

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

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