v0.7.0

MultivariateOrthogonalPolynomials v0.7.0

Diff since v0.6.4

Merged pull requests:

• add Jacobi matrices for RectPolynomial (#174) (@dlfivefifty)
• Support LazyArrays v2.0 and BlockArrays v1.0 (#178) (@dlfivefifty)
• Add derivatives for WeightedTriangle (#179) (@DanielVandH)

Closed issues:

• Jacobi matrices for RectPolynomial (#173)