Add RHEL version of Vim build script

roles/el/files/build-vim.sh

@@ -0,0 +1,12 @@
+#!/bin/sh
+set -e
+echo "Usage: $0 [install_dir] [vim_git_repo]"
+vim_dir=$(mktemp -d -t vim-XXXXXXXXXXXX --tmpdir=/var/tmp)
+dnf install -y @development ncurses-devel
+git clone ${2:-https://github.com/vim/vim.git} $vim_dir
+pushd $vim_dir
+./configure --prefix=${1:-/opt/vim} --disable-nls --disable-gui
+make
+make install
+popd
+rm -fr $vim_dir