Create a MUSICA tutorial for adding MUSICA to a new host model

[mattldawson]

• Tutorial Ch 1: Add build instructions tutorial for MUSICA integration #64
• Tutorial Ch 2: Create a box-model that runs MICM for one timestep #70
• Tutorial Ch 3: Expand box-model to handle multiple grid cells with one call to MICM solver
• Tutorial Ch 4: Create solvers for multiple mechanisms that run in the same host application
• Tutorial Ch 5: Update rate constants from host application
• Tutorial Ch 6: Add TUV-x to rate constant calculations
• Tutorial Ch 7: Use OpenMP and MPI for parallel solving
• Tutorial Ch 8: Add CUDA solver