It seems like Meghan Markle and Kate Middleton were never destined to be friends. “She could reach out to Prince Harry in an attempt to make peace in the family,” said a source about the 42-year-old, adding that while Kate and Meghan will “never be on warm terms, Kate is determined to be civil.” “It’s exactly how Elizabeth handled things. There’s no place for petty behavior or personal grudges when you reach that level, because you’re literally representing the institution,” the insider added. Now that Kate is currently battling cancer, King Charles, who is also dealing with his own health bat…