Expand set of Mooncake rules

[lkdvos]

Here I am porting over a bunch of our chainrules to the Mooncake ones.

In particular, I am trying to identify the core computational routines and writing the rules for these, while not blindly taking the same methods.
For example, in ChainRules we overload rules for *(::Number, ::AbstractTensorMap), in Mooncake we simply define a rule for scale!(::AbstractTensorMap, ::Number).

To do:

• Index manipulations
• VectorInterface
• LinearAlgebra
• TensorOperations
• PlanarOperations

[codecov]

Codecov Report

❌ Patch coverage is 79.78142% with 37 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
ext/TensorKitMooncakeExt/indexmanipulations.jl	42.18%	37 Missing ⚠️

Files with missing lines	Coverage Δ
ext/TensorKitMooncakeExt/TensorKitMooncakeExt.jl	100.00% <ø> (ø)
ext/TensorKitMooncakeExt/linalg.jl	100.00% <100.00%> (+100.00%)	⬆️
ext/TensorKitMooncakeExt/tangent.jl	100.00% <100.00%> (ø)
ext/TensorKitMooncakeExt/tensoroperations.jl	98.90% <100.00%> (+0.82%)	⬆️
ext/TensorKitMooncakeExt/vectorinterface.jl	100.00% <100.00%> (ø)
ext/TensorKitMooncakeExt/indexmanipulations.jl	42.18% <42.18%> (ø)

... and 1 file with indirect coverage changes

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[kshyatt]

I can likely pick up some of the linalg ones if you like