As her rent skyrockets and her neighbors face eviction, Louise Gilbert fears the trajectory she sees for herself as a renter in San Anselmo. “I’m rooted here and want to remain here. If I would have to move elsewhere, I don’t know what I would do,” she said during a workshop on Tuesday, when the Board of Supervisors explored the idea of a just-cause ordinance. After three hours, the board voted to direct staff to…