gh-pages: update for release-v36.

* classes/std.container.html: New file.
* modules/std.tree.html: Move from here...
* classes/std.tree.html: ...to here.
* classes/std.list.html, classes/std.object.html,
classes/std.set.html, classes/std.strbuf.html,
classes/std.tree.html, index.html, modules/std.debug.html,
modules/std.functional.html, modules/std.getopt.html,
modules/std.html, modules/std.io.html, modules/std.math.html,
modules/std.package.html, modules/std.strict.html,
modules/std.string.html, modules/std.table.html: Update.

Signed-off-by: Gary V. Vaughan <gary@gnu.org>