A medical emergency unfolded for one family just before a Colorado wedding, when a 2-year-old set to be the flower girl was bitten twice in the thigh by a rattlesnake. She is now recovering. Before first responders got there, the child's mother, who was eight months pregnant, began CPR. What happened? The Robertson family had come from Kansas to Bennett, Colorado, and were staying at a rental property before the wedding weekend. On Monday, Quinn…