Renamed source directory, changed dockerfile for running docker image according to the official documentation

wordpress/wp-content/themes/lawcarta/page_white.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Template Name: White Page
+ */
+
+    get_header();
+
+    if (have_posts()):
+        while (have_posts()):
+            the_post();
+?>
+<div class="content">
+    <?= the_content(); ?>
+</div>
+
+<?php
+        endwhile;
+    endif;
+
+    get_footer();