feat: add test activity graph (fehmer, Singh233)

[fehmer]

Description

Add github like activity graph with the number of tests per day.

Work in progress.

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/9003451842

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/9003603726

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/9003688032

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/9003769448

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/9004710813

[monkeytypegeorge]

Continuous integration check(s) failed. Please review the failing check's logs and make the necessary changes. https://github.com/monkeytypegame/monkeytype/actions/runs/9008041541

[Miodec]

Thanks

[includerajat]

Thanks @fehmer, really appreciate sir !!, I was thinking about the feature for some time but I don't have any idea, how to implement the same but you done it.
Amazing !!