Add main "Dojo Stats" to homepage

[hellokostya]

Add a live tracker to chessdojo.club for the main stats Dojo-wide:

Total Rating Points Gained Total Training Hours Logged Total Dojo Points Earned Graduations

[jackstenglein]

@hellokostya By the home page, do you mean the landing page that unauthenticated users see? Or you want this somewhere on the training plan page?

[hellokostya]

Yes for non-logged in users