New Routing Envs and more 🚀

Changelog

✨ Features

• Add CVRPTW Environment @ngastzepeda
  • Add Solomon instance / solution loader via vrplib
• Add basic Skill-VRP (SVRP) @ngastzepeda

📃 Documentation

• [Minor] improve decoding strategies documentation

🐛 Bug Fixes

• Avoid deepcopy bug by not saving intermediate steps of decoding strategy #123
• Allow passing select_start_nodes_fn and other kwargs in decoding strategies