Remove space and arrange the code as per WP standard.

footer.php

@@ -1,6 +1,4 @@
-	</div>
-
-	<?php wp_footer(); ?>
-
+</div>
+<?php wp_footer(); ?>
 </body>
 </html>

functions/enqueue-scripts.php

@@ -1,5 +1,14 @@
 <?php
-
-add_action( 'wp_enqueue_scripts', function() {
-  wp_enqueue_script('docpress-js', DOCS_URI.'/assets/script.js', array(), '1.0', true );
-});
+/**
+ * Enqueue theme scripts.
+ */
+function enqueue_docpress_scripts() {
+    wp_enqueue_script(
+        'docpress-js',
+        DOCS_URI . '/assets/script.js',
+        array(),     // No dependencies
+        '1.0',
+        true         // Load in footer
+    );
+}
+add_action( 'wp_enqueue_scripts', 'enqueue_docpress_scripts' );

functions/enqueue-styles.php

@@ -1,5 +1,14 @@
 <?php
-
-add_action( 'wp_enqueue_scripts', function() {
-  wp_enqueue_style('docpress-style', DOCS_URI.'/assets/style.css', false, '1.0', 'all');
-});
+/**
+ * Enqueue theme styles.
+ */
+function enqueue_docpress_styles() {
+    wp_enqueue_style(
+        'docpress-style',
+        DOCS_URI . '/assets/style.css',
+        array(),       // No dependencies
+        '1.0',
+        'all'
+    );
+}
+add_action( 'wp_enqueue_scripts', 'enqueue_docpress_styles' );