Enqueue Scroll Reveal js library

functions.php

<?php
// Do not include opening php tag


//Scroll Reveal JS
add_action('wp_enqueue_scripts', 'load_scroll_reveal', 20);
	if (is_front_page()){
		// Scroll Reveal Main JS
		wp_enqueue_script(
			'scrollReveal',
			get_stylesheet_directory_uri() . '/js/scrollreveal.min.js',
			array(),
			null,
			true
		);
		// Customized Script
		wp_enqueue_script(
			'scroll-init',
			get_stylesheet_directory_uri() . '/js/scroll-init.js',
			array(),
			null,
			true
		);		
	}