[FS#539] Add "Prefix Delegation:" under WAN IPv6 on the status page in LuCI

[LEDE Bugs]

The following task is now closed:

FS#539 - Add "Prefix Delegation:" under  WAN IPv6 on the status page in LuCI
User who did this - Mathias Kresin (mkresin)

Reason for closing: Different project
Additional comments about closing: LuCI is an independent project and not part of LEDE base system. It is maintained at https://github.com/openwrt/luci/. Do not get confused by the fact that it is in the OpenWrt repository. LuCI is compatible to and used by OpenWrt as well as LEDE.

For future LuCI related bugs, please open a bug report at https://github.com/openwrt/luci/issues to make sure that the appropriate people get aware of the issue.

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=539