Fix chinese default page.

Netware config still needs to be sync'd (whereever it is).

- the encoding was wrong (iso-8859-1 instead fo big5, so (re-)added
  the appropriate extension(s))
- Fixed AddLanguage directives in default configs
- Fixed type map file.

PR: 18025


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@99040 13f79535-47bb-0310-9956-ffa450edef68