implement support for nobreak and nowrap utility roles

Author: mojavelinux

src/css/doc.css

@@ -877,3 +877,12 @@
   font-weight: var(--body-font-weight-bold);
   line-height: calc(1 / 1.1);
 }
+
+.doc .nowrap {
+  white-space: nowrap;
+}
+
+.doc .nobreak {
+  hyphens: none;
+  word-wrap: normal;
+}