Print tables more prettily, by request of @reknih.

crates/typst-library/src/html/dom.rs

@@ -522,6 +522,12 @@ pub mod tag {
                 | self::p
                 | self::pre
                 | self::search
+                | self::table
+                | self::thead
+                | self::tbody
+                | self::tfoot
+                | self::th
+                | self::tr
         )
     }