generate html for remaining XML guides

Since Chrome is dropping support for this completely this year,
generate HTML from all remaining XML guides.  These have largely
been migrated to other formats internally already too.

404.html

@@ -15,11 +15,15 @@ window.onload = function() {
     'cppguide.xml': 'cppguide.html',
     'google-r-style.html': 'Rguide.html',
     'htmlcssguide.xml': 'htmlcssguide.html',
+    'javascriptguide.xml': 'javascriptguide.html',
     'jsoncstyleguide.html': 'jsoncguide.html',
     'jsoncstyleguide.xml': 'jsoncguide.html',
+    'lispguide.xml': 'lispguide.html',
     'objcguide.xml': 'objcguide.html',
     'Rguide.xml': 'Rguide.html',
     'shell.xml': 'shellguide.html',
+    'vimscriptfull.xml': 'vimscriptfull.html',
+    'vimscriptguide.xml': 'vimscriptguide.html',
   };
   const newPage = map[missingPage];
   if (newPage) {