fix(theme): rename js and css to 'chameleon'

- Continuation of 5a381f7032

themes/chameleon/layout/_partial/after-footer.ejs

@@ -3,4 +3,4 @@
 <% } %>
 
 <%/* javascript of Typing theme */%>
-<%- addJs('/js/typing.js') %>
+<%- addJs('/js/chameleon.js') %>

themes/chameleon/layout/_partial/head.ejs

@@ -46,7 +46,7 @@
   <%/* Fallback function for SRI */%>
   <%- addJs({ src: '/js/sri.min.js', 'async': true }) %>
 
-  <%- addCss('/css/typing.css') %>
+  <%- addCss('/css/chameleon.css') %>
 
   <% if (theme.icons) { %>
     <%- addCss({ href: '/libs/fork-awesome/1.1.7/css/fork-awesome.min.css', 'data-sri-fallback': '/forkawesome/css/fork-awesome.min.css', integrity: 'sha384-mByhW6NjnxyShh67P9+fepUvYSd7Uz/qV6e2u4kA2Fi4ZkjXxIP2mRkyK9dwK24W', crossorigin: 'anonymous' }) %>