Add new charts and important bug fixes.

• Add waterfall chart
• Add linebar chart
• Add time-series indirect support through tidy plot
• Other important bug fixes

Major refactor and more complex feature plot

Major Refactor of krisk internal package
Add Bar Mode for Sequential, Diverging, and Qualitative enhancement
Set global config for all charts in current session enhancement
Add Saturation for Scatter Plot enhancement
Use None instead of 0 for missing value bug
Set Style for y and x axis enhancement
Added Declarative Visualization to Krisk enhancement
Use nbextension for offline JS
Add smooth line for histogram and all type of line chart as well
Add trendline parameters for bar chart
Add full area (100%) for stacked bar and line chart
Consistent API parameters with Pandas and Matplotlib (BREAKING API)

Launching initial project of Krisk

• Some basic scatter, bar, and line plot
• Theme and Coloring
• Enable krisk in Jupyter with online js