matching and storage( for carreplica) decode feature and test

[waynewyang]

• src
  • decode code logic(Note: (do it in matching-target contract and storage contract dir))
    • refer to dataset-metadata decode-code
  • struct definition(definition in carstore dir)
    • Enhance the structure definition to meet the requirements for database storage fields.
    • refer to DatasetMetadata definition
• test
  • must add decode test
  • refer to dataset-metadata decode-test
  • https://github.com/dataswap/dataswapjs/blob/main/test/unittests/decode/sample.test.ts