Fix CPP library broken in merge.

Author: sebadoom

img/26.svg renamed to img/website/26.svg

@@ -11,6 +11,7 @@ section#libraries-io.libraries-jwt
             option(value='*', selected='') All
             option(value='._1c') 1c
             option(value='.c') C
+            option(value='.cpp') C++
             option(value='.clojure') Clojure
             option(value='.crystal') Crystal
             option(value='.d') D
@@ -98,6 +99,7 @@ section#libraries-io.libraries-jwt
       include libraries/swift2.pug
       include libraries/c.pug
       include libraries/c2.pug
+      include libraries/cpp.pug
       include libraries/q.pug
       include libraries/delphi.pug
       include libraries/delphi2.pug