[BAEL 3755] - LTrim and RTrim Alternatives in Java

[carloscaverobarca]

Proposed Changes

• Add LTrim and RTrim alternatives for Java
• Include Unit Testings
• Modify the README file to fix an old reference

Pull request checklist

Please check if your PR fulfills the following requirements:

• Tests
• Build locally
• Code format / lint
• Docs have been reviewed and added

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• [] Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the new behavior?

• It includes examples of how to support LTrim and RTrim functionality
• Modify the README file to link to the article fixing and old reference

Does this introduce a breaking change?

• Yes
• No