Add default session duration account setting

[ezekg]

Related to #1127.

keygen-api/app/controllers/api/v1/tokens_controller.rb

Lines 79 to 88 in f70c4f4

	session = if request.origin == Keygen::Portal::ORIGIN && token.bearer == current_bearer
	token.sessions.build(
	environment: token.environment,
	parent: current_session,
	# TODO(ezekg) make default session expiry configurable
	expiry: token.expiry.presence || current_session&.expiry || 1.week.from_now,
	user_agent: request.user_agent,
	ip: request.remote_ip,
	)
	end