Page parameter for specific highlighting

[file098]

This pull request includes several changes to the TextLayer.vue file to improve the readability and functionality of the text layer component in the Vue PDF project. The most important changes include the addition of a new prop for highlighting specific pages, refactoring of the code for better readability, and updating the event handling for text highlighting and text loading.

Improvements to functionality:

• Added a new prop hightlightPages to allow highlighting specific pages.

Code readability and consistency:

• Changed single quotes to double quotes for consistency in import statements and other string literals.
• Refactored the findAndHighlight function to include the new hightlightPages prop and improve readability.
• Updated the render function to streamline the creation and appending of the end-of-content div.
• Simplified onMouseDown and onMouseUp event handlers to improve code clarity.

[TaTo30]

Looks good, thank you!

It will be released in the next version.