GSoC-2021 Week 2: vrp_vroom

[krashish8]

Changes proposed in this pull request:

• Added functions to get the postgres datatypes and convert them to vroom C types.
  • Breaks input
  • Steps input
  • Time Windows input
  • Jobs input
  • Shipments input
  • Vehicles input
• Created basic skeleton to take the inputs in vroom.c and pass them to the vroom driver function.
• Updated CMakeLists to build and compile vrprouting with vroom.
• Updated GitHub actions scripts for Ubuntu to build VROOM.