add comment markup test

Author: joshraphael

test/markup/rascript/comments.expect.txt

@@ -0,0 +1,9 @@
+<span class="hljs-comment">/**
+ * This is a test comment
+ * It crosses multiple lines
+ * RAScript supports multiple types of comments
+ **/</span>
+
+<span class="hljs-comment">// This is the second form, a single line comment</span>
+
+<span class="hljs-variable">non_comment</span> = <span class="hljs-string">&quot;this is not part of the comment&quot;</span>

test/markup/rascript/comments.txt

@@ -0,0 +1,9 @@
+/**
+ * This is a test comment
+ * It crosses multiple lines
+ * RAScript supports multiple types of comments
+ **/
+
+// This is the second form, a single line comment
+
+non_comment = "this is not part of the comment"