Refine get started and input examples

Sometimes we want to refine the calculation of a property from previous results. For example, when higher convergence criteria EDIFF and EDIFFG are necessary in VASP, the new VASP calculation is desired to start from the previous output configuration, rather than starting from scratch.

An example of the input file refine.json is given below:

{
    "structures":       ["confs/std-*"],
    "interaction": {
        "type":          "deepmd",
        "model":         "frozen_model.pb",
        "type_map":     {"Al": 0}
    },
    "properties": [
        {
        "type":             "vacancy",
        "init_from_suffix": "00",
        "output_suffix":    "01",
        "cal_setting":     {"input_prop":  "lammps_input/lammps_high"}
        }
        ]
}

In this example, refine would output the results to vacancy_01 based on the previous results in vacancy_00 by using a different input commands file for lammps.