v0.7.0

GeometricFlux v0.7.0

Diff since v0.6.3

Merged pull requests:

• Correct VGAE doc (#88) (@yuehhua)
• Correct VGAE example (#89) (@yuehhua)
• Allow DataStructures 0.18 (#90) (@ChrisRackauckas)
• Make CompatHelper use latest Julia (#91) (@ChrisRackauckas)
• Integrated datasets (#92) (@yuehhua)