Bscpylgtv

**Implemented enhancements:**

- Replace CX valid settings with C1 ones

**Implemented enhancements:**

- Replace C8 examples with CX ones

**Implemented enhancements:**

- Update default picture settings with CX expert2 preset
- Update docs

**Implemented enhancements:**

- Add `get_system_settings` function
- Add `get_configs` function
- Add info about launching Service Menus

**Implemented enhancements:**

- Remove calibration related functions
- Make commands run faster
- Add support for dictionary and list types in cmd line params
- Add `set_other_settings` function (can be used to turn PC mode on/off)
- Add `show_screen_saver` function
- Add `set_configs` function