* Add a new DocLangHelper interface method to generate function names per language. Use the functionNames override map in Go to correctly generate a function name.
* Add kong to the title lookup map.
* Check if item was found in map.
* Use title case for the nodejs Function args type name. Use title case for the function name in the index page.
* Also fix the result name for a Function in nodejs to use title case.
* Use the module name to lookup the package.
* Use the title-case name for the Function name in the index page. Fix the language value passed to the lang chooser in function.tmpl.
* Use title case for nested type titles.
* Add title lookup for GitHub.
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