Add paperless integration (#145239)
* add paperless integration - config flow and initialisation
* Add first sensors - documents, inbox, storage total and available
* Add status sensors with error attributes
* add status coordinator and organized code
* Fixed None error
* Organized code and moved requests to coordinator
* Organized code
* optimized code
* Add statustype state strings
* Error handling
* Organized code
* Add update sensor and one coordinator for integration
* add sanity sensor and timer for version request
* Add sensors and icons.json. better errorhandling
* Add tests and error handling
* FIxed tests
* Add tests for coverage
* Quality scale
* Stuff
* Improved code structure
* Removed sensor platform and reauth / reconfigure flow
* bump pypaperless to 4.1.0
* Optimized tests; update sensor as update platform; little optimizations
* Code optimizations with update platform
* Add sensor platform
* Removed update platform
* quality scale
* removed unused const
* Removed update snapshot; better code
* Changed name of entry
* Fixed bugs
* Minor changes
* Minor changed and renamed sensors
* Sensors to measurement
* Fixed snapshot; test data to json; minor changes
* removed mypy errors
* Changed translation
* minor changes
* Update homeassistant/components/paperless_ngx/strings.json
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Co-authored-by: Josef Zweck <josef@zweck.dev>
Co-authored-by: Joost Lekkerkerker <joostlek@outlook.com>