* Implemented pagination on timeline
* Made requested change and removed outline from button
* fix: PropTypes and off-by-one error
* Keep buttons centered in all cases and give fixed height timeline table rows to prevent jerk while changing pages
* First and last page navigation and margin issue fix.
* Explicitly importing specific lodash functions
* Refactored timeline pagination into a separate file.
* Refactored timeline to have total Pages as prop and made text corrections.
* Added proptypes for total pages
* made changes to setState call for lastPage
* Made a11y changes