Add inline code blocks by using newmintinline

We can now use \cpp|...| and \sh|...| to add inline code blocks, which
resembles the \verb|...| syntax

Signed-off-by: Chun-Hung Tseng <henrybear327@gmail.com>

lib/codeblock.tex

@@ -32,3 +32,6 @@
   breakafter=d,
   linenos
 }
+
+\newmintinline[sh]{bash}{}
+\newmintinline[cpp]{c}{}