Jill Smokler -- the founder of Scary Mommy, a content company she built from a personal blog -- is dead. According to the popular parenting site, Jill died Monday ... after a more than two-year fight with glioblastoma. Her family said in part ... “Jill spent her life telling the truth about motherhood — that it could be wonderful and impossible in the very same breath — and in doing so, she gave millions of women permission to stop pretending and feel a little less alone." They added, "She was