This continues RSVP’s regular Sunday column of outstanding volunteer opportunities. Be sure to look it over and see what you would like to do to add some extra joy to your life by helping others.• Lack of transportation is a big problem for frail seniors trying to get to medical appointments because there is a lack of RSVP drivers. Call for details on driving as the program is very flexible and RSVP has its own vans in some cases. Drivers with personal vehicles are reimbursed mileage.• The SPCA is seeking caring volunteers who can provide temporary foster care for cats …