A function to create a UI component for selecting a title and footer
for tables or plots. It reads title information from a specified Excel
file and allows users to choose a title from the provided options.
It also provides user with flexibility to customize the title and footer
according to their specific needs.
Details
The module creates a UI with a dropdown for selecting a title. Once a title is selected, it updates the output by either adding titles to a table or modifying a plot's title and caption accordingly. Additionally, it includes a checkbox that user can check to enable customization, allowing them to enter their own values for the title and footer in the designated input fields.