v0.5.8

ITensors v0.5.8

Diff since v0.5.5

Merged pull requests:

• [ITensorVisualizationBase] Move to separate repository (#1417) (@mtfishman)
• [ITensorUnicodePlots] Move to separate repository (#1419) (@mtfishman)
• [ITensorMakie] Move to separate repository (#1420) (@mtfishman)
• [ITensorGLMakie] Move to separate repository (#1421) (@mtfishman)