Feature: Charts/new formatter, rendering data label

[kleinju1017]

Feature:

• rendering data labels in bar chart depending of view box size and bar size
• formatter of legend and tooltip
• customizied view when big data sets are shown

Thank you for your contribution! 👏

To get it merged faster, kindly review the checklist below:

Pull Request Checklist

• Reviewed the Contributing Guidelines
  • Especially the How to Contribute section
• Correct commit message style

[github-actions]

Coverage decreased (-0.3%) to 66.841% when pulling 8407386 on charts/formatter-of-tooltip-and-legend into e9547df on master.