Add oblate object pages

The oblate objects is created by this [mod](https://forum.kerbalspaceprogram.com/topic/222923-1125-kopernicus-vertexheightoblateadvanced-112-easy-oblate-bodies/).
This is a wonderful PQS mod and should be introduced and included in the wiki.

[Download Link](https://github.com/jamespglaze/VertexHeightOblateAdvanced/releases)