refactor getCalendarData to a generic countBy function

Extend calendar heatmpa until today instead of latest session

Fix: Use UTCDate functions to fix calendar heatmap not showing the latest date

include active session in analysis

update hover label style

Sort concentric rings by date and list all dates in hover

Remove start and end marker

update scatter plot with new color map and concentric circles around data points to indicate multiplicity

add exercise and session idx to SetDataPoint

only plot the best E1RM set per session in scatterplot

Cleanup navbar: Move user action buttons in dropdown under username

Fine tune appearance: Icons and plot labels

Add type annotations to new code

Improve analysis page layout: Move summary stats under workout activity.

Add plotly.js dependency and plots