[pipelines] Pipelines should be parametrized

[rgreinho]

Feature Request

Current Behavior

The parameters are hard-coded in the pipeline file itself.

Expected Behavior

The same pipeline could run with difference input parameters without have to recompile it.

Possible Solution

• Create a json or toml file which would contain the context:

  {
     "output_directory": "./output"
     "city_rating_file": "city_rating_2021_v15.csv"
  }