Some minor fixes

Minor text corrections

In this version, we’ve introduced the Checklists feature, designed specifically for rebreather divers. Users can select their model and complete all required checks with ease.

- multiple visual bug fixes

- Added a landscape tablet view for de Gas Blender when used as dive center.
- Combined Trimix Mix info to one page
- Add Trimix Mix info for CCR as one page. To use this please active it under settings in the Trimix section. Please keep in mind this part is in beta