Optics 2022 (#2)

  - new (>2022) lhc orbit variabes and related changes in corresponding functions
  - flexible knob-suffix instead of pre-defined "_sq"
  - new functions: `temp_disable_errors` and `lhc_arc_names` in `general.py`
  - Coupling knob creation

Merge pull request #1 from JoschD/updates_v0.0.2

* typo magentic to magnetic
* more doc
* unified `machine` -> `accel`
* some minor fixes of copy-paste remains

replaced index in dynap