[OTR] End session when logout + Autoreplay Text on Encrypted Message features

[Neustradamus]

Can you add features?

• End session when logout
• Autoreplay Text on Encrypted Message features

Screenshots:

• https://i.ibb.co/RHk2qvg/psi-plugins-options-otr-current.png
• https://i.ibb.co/QMG9MDk/psi-plugins-options-otr-improvements.png