Make more tutorials

[chrisjonesBSU]

Some ideas

• Base tutorial

  • Bare bones example (Done)
  • Combining molecules (Done)
  • Copolymers
  • Combining forcefields (Done)
  • Changing things like log/gsd names (Done)
  • Restart a simulation (pickling a FF and using it, etc..) (Done)

• Coarse-graining tutorial (Done)

• Welding tutorial

• Tensile test tutorial

• Machine learning tutorial