gridify 0.7.5

• Added new paginate_table() helper function to simplify splitting data frames into pages for multi-page tables.
• Updated multi-page vignette to demonstrate the new paginate_table() function.
• Updated README.md file.

gridify 0.7.4

• Updated export_to method examples to not use dontrun.
• Added doi in the DESCRIPTION file.

gridify 0.7.3

• Improved show_spec method for gridifyLayout.
• New feature of background colour for layouts, by the new background argument.

gridify 0.7.2

• First open-source release.