Enhanced Bunker Silo v1.1.0.0

Changelog 1.1.0.0:
- add function to cover silo after openening
- add separate button for completely uncover silo

This script extends the silos with the function to open them completely. This allows a silo that is not yet empty to be refilled and then closed again for fermentation. Opening the silo completly will revert the completed fermenting process.