In its apparent mission to make everything available on-demand, Uber is following up its hysteria-inducing kitten deliveries with a Christmas tree delivery service. The ride-request app is partnering with The Home Depot for one day only to deliver Christmas trees to users’ doors in 10 U.S. cities. From 11 a.m. to 8 p.m. on December 5, an “UberTREE” option will appear alongside the app’s list of ride requests. While picking out the perfect Douglas Fir or White Spruce is a Christmas tradition for many, Uber is capitalizing on the young urbanites without cars who frequent their services. …