add vim-hug-neovim-rpc-git so deoplete will work with vim

vim-hug-neovim-rpc-git/vim-hug-neovim-rpc.install

@@ -0,0 +1,18 @@
+update_vim_help() {
+  echo -n "Updating Vim help tags..."
+  /usr/bin/vim --noplugin -u NONE -U NONE \
+    --cmd ":helptags /usr/share/vim/vimfiles/doc" --cmd ":q" > /dev/null 2>&1
+  echo "done."
+}
+
+post_install() {
+  update_vim_help
+}
+
+post_upgrade() {
+  update_vim_help "$1"
+}
+
+post_remove() {
+  update_vim_help
+}