Tensor network contraction order optimization and visualization

This project aims to further enhance the performance and usability of tensor network tools in Julia. There are three main goals of the project: 1) extending the optimization methods in OMEinsumContractionOrders.jl with the state of art contraction order optimization algorithms; 2) implementing a hyper-graph visualization tool for tensor networks as a standalone package; 3) porting the contraction order optimization algorithms in OMEinsumContractionOrders.jl to the TensorOperations.jl package as a backend. Testing and documentation will also be done for all implemented methods, and the code will be open-sourced and published to the Julia community.