Add motor calibration PVs

Associated OPI MR: opis/acc/pbi/engineer!79 (merged)

• Bump to 1.2.0
• Use autosave for calibration parametrs instead of predefined/initial values
• Improve some PV descriptions
• Include motor calibration PVs
• Fix LENSPOS_PV
• Fix optical calculations to match motor calibration PV (now it matches distance from ccd to focus)
• Add summary of calculations on .db file

Optical equation review based on the following presentation: npm_presentation.pptx
⚠️ Be aware that the presentation mixes cartesian and newtonian notations