* Add new launch sensor to keep track of space launches.
* Added attribution to Launch Library.
* Adds data class and throtle, reuse aiohttp session.
* Add one extra blank line before the new class..
* Change throttle to simpler SCAN_INTERVAL.
* Remove the usage of the LaunchData class.
* Bump pylaunches, remove . from log, fix line breaker for agency_country_code, remove CONF_ from ATTRIBUTION.
