Move weekly clock report generation to the new StatsService

Signed-off-by: Max Fierke <max@maxfierke.com>
Fix potential error caused by invalid function call.

Signed-off-by: Max Fierke <max@maxfierke.com>
Move the s0,s1,s2,s3 styles to the global application stylesheet.

Signed-off-by: Max Fierke <max@maxfierke.com>
Implement a dashboard stats module

Provides fancy Chart.js-powered charts of statistical data relating to an employee's scheduling data.

Closes #24

Signed-off-by: Max Fierke <max@maxfierke.com>
Merge pull request #63 from maxfierke/feature/user-stats

Implement user statistics module