Add Sparkline

Description

Add Sparkline in Column Headers

Conformity

• Changelog entry Entry added "Added support to show the Sparkline of each respective column"

- [ ] Unit tests

- [ ] Update INSTALL

- [ ] Downport

• Fixes: #349 (closed) Added Support for Sparkline in Column Header

Labplot currently provide column comments for data representation. However, to further enhance the data visualization experience and improve usability, we propose the implementation of sparklines for each column.

This image illustrates how sparklines are shown in column header

When external dependencies are removed

- [ ] Reporting to ...