added plug installation to neovim init

.config/nvim/init.vim

@@ -1,3 +1,13 @@
+" Check if vim-plug is not installed
+if empty(glob('~/.local/share/nvim/site/autoload/plug.vim'))
+    " Display a message to the user
+    echo "Installing vim-plug..."
+    " Run the installation command
+    call system('sh -c ''curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim''')
+    " Display a message to inform the user that the installation has completed
+    echo "vim-plug installed successfully. Please restart Neovim."
+endif
+
 call plug#begin('~/.config/nvim/plugged')
 
 " Add your plugins here, for example: