Issue #5279 -> Introduce horizontal scrolling to code-blocks

Closes issue #5279

This commit re-introduces horizontal scrolling to docs' codeblocks

Docker-DCO-1.1-Signed-off-by: O.S. Tezer <ostezer@gmail.com> (github: ostezer)

docs/theme/mkdocs/css/docs.css

@@ -249,6 +249,11 @@ ol li {
   border-radius: 4px;
   -webkit-border-radius: 4px;
   -moz-border-radius: 4px;
+  overflow-x: auto;
+}
+.content-body pre code {
+  overflow-wrap: normal;
+  white-space: pre;
 }
 
 #leftnav .nav.nav-tabs li a {