Talk to the City search highlight feature

Talk to the City Only the highlighted object is the target of the mouse hover hit, very nice!

The code is in the feature branch.

• https://github.com/takahiroanno2024/anno-broadlistening/commits/feature-keyword-highlight/
• Currently, it is rewritten without regard to the other screens, so it needs to be fixed to be consistent with the other screens before merging it into MAIN -> ✅.

relevance - Talk to the City and Attribute Multiplication Analysis

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