NASHVILLE — LifeWay Christian Resources has acquired Serendipity House, a Colorado publisher of small-group resources for churches. The purchase was completed Aug. 2. Asset acquisition of the 40-year-old company, known nationwide for its expertise in producing resources and training that puts relationship at the center of small-group Bible study, fills a void at LifeWay, said LifeWay President James T. Draper…