feature: hamiltonian simulation

**Describe the feature you'd like**

Algorithms relevant to hamiltonian simulation, and state-of-the-art techniques, such as qubitization, quantum signal processing, the quantum singular value transform, and even trotterization.

**How would this feature be used? Please describe.**
A clear and concise description of the use case for this feature. Please provide an example, if possible.

**Describe alternatives you've considered**
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**Additional context**
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