Added setup_vim.sh

setup_vim.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+echo "Installing prerequisites"
+
+[[ ! -d ~/.vim ]] && mkdir ~/.vim
+
+[[ ! -d ~/.vim/colors ]] && mkdir ~/.vim/colors
+
+cd ~/.vim/colors
+
+git clone https://github.com/catppuccin/vim.git
+
+cp vim/colors/* .
+
+rm -rf vim/
+
+cp ~/.vimrc ~/.vimrc.old
+
+cp .vimrc ~/.vimrc