Use SchemaComparation to compare two json files
(1) Run the SchemaComparation
Use SchemaComparator to compare two folder of multiple json files
(1) Create two folders under src/ named "schema_v1" and "schema_v2".
(2) Put the old version json files to schema_v1 folder.
(3) Put the new version json files to schema_v2 folder.
(4) Run the SchemaComparer.