[FEATURE] Add bar- and doughnut-graph widgets to dashboard

You can now create widgets for the dashboard showing a bar- or
doughnut-graphs. As an example two new widgets are introduced
showing information about the number of errors in the sys_log
and about the number of normal backend users vs admin users.

Resolves: #90440
Releases: master
Change-Id: I5f4bb0201415434560c3c7297fefa7e897973be2
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63328


Tested-by: Daniel Siepmann <coding@daniel-siepmann.de>
Tested-by: Daniel Goerz <daniel.goerz@posteo.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Susanne Moog <look@susi.dev>
Reviewed-by: Daniel Goerz <daniel.goerz@posteo.de>
Reviewed-by: Susanne Moog <look@susi.dev>