* Developing countries win battle on finance for hard-hit people * Rich nations finally cave in to pressure, fund details to come * No deal on phasing down fossil fuels as producers stand firm By Megan Rowling SHARM EL-SHEIKH, Egypt, Nov 20 (Thomson Reuters Foundation) - Agreement at the COP27 climate talks to set up a "loss and damage" fund marks a milestone in the long fight to get help for poor communities on the frontlines of global warming, said officials and campaigners who had pressed hard for its creation. The two-week talks in the Egyptian resort town of Sharm...