QMC metainfo and ALF parser

Including the (auxiliary fields) quantum Monte Carlo package, ALF.

• Create QMC metainfo
• Add parser
• Populate HoppingMatrix:
  • N-leg-ladder
  • Square and Honeycomb
  • Bilayer Square and Bilayer Honeycomb
• Populate results:
  • GreensFunctions
  • Energies
  • Correlations
• Plots