feature-request: add (automatic) export of screen time statistics to .csv or comparable foss data format to the local (specifiable) on-device folder

Export to .csv file in order to make it possible to procees it on PC pursues 3 goals:

1. Make possible to flexibly visualise data with advanced tools (like different diagrams and histograms)
2. Make possible to analyze and process data to with advanced tools (like detecting timings and shifts of periods of activity/inactivity)
3. Make possible to automatically (via scripts) merge data gathered with this app with another sources (e.g. PC usage statistics) to make a comprehenaive overview of one's digital time spending.