added packer script. made plugin configs not error out when no plugin

runs/packer.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+echo DOWNLOADING PACKER FOR NVIM
+
+git clone --depth 1 https://github.com/wbthomason/packer.nvim \
+~/.local/share/nvim/site/pack/packer/start/packer.nvim
+
+echo ----------