Omp implementation (#5)

Refactoring before post (#4)

3D Fields Implementation (#3)

Inbuilt serialization (#2)

RBF interpolation for 2D vector fields (#1)

Refactoring, div, curl

Bilinear sampling with double coords

Reformat with the default CLion formatter

Catch2 tests added, some operator overloads, vector field construction tested

gradient added, ostream overloads added, fixed some stuff with poor inheritance

Initial Commit