Utility: Calculate Ideal Weightage between 2 sources

[irfan-dahir]

It will be required to run this tool to get the best weightage to assign to the Hiyori Schema before running the Combiner with the following strategy: #18

However, this utility will initially be used to create a default weightage which will be added to a config.

php hiyori utility calculate:schema_weightage {source1} {source2}