beta2 google code pretty js

public/js/google-code-prettify/lang-proto.js

@@ -0,0 +1 @@
+PR.registerLangHandler(PR.sourceDecorator({keywords:"bytes,default,double,enum,extend,extensions,false,group,import,max,message,option,optional,package,repeated,required,returns,rpc,service,syntax,to,true",types:/^(bool|(double|s?fixed|[su]?int)(32|64)|float|string)\b/,cStyleComments:!0}),["proto"]);