v0.3.6

Manifolds v0.3.6

Diff since v0.3.5

Closed issues:

• Cleaning up the documentation menu (#200)

Merged pull requests:

• Modify CI nightly fail policy (#194) (@kellertuer)
• Elliptope manifold (#201) (@kellertuer)
• Spectrahedron manifold (#203) (@kellertuer)
• Symmetric positive semidefinite, fixed rank manifold (#204) (@kellertuer)
• Restructure Documentation menu (#206) (@kellertuer)