Afs2-model

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- Add Requirements 8366 - Support API by token

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- Add Requirements 7777 - Upload big model to blob and sync metadata

- Add Bug 7912 - Check the PAI_DATA_DIR value format

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- Fix Bug 7564 - Fix accuracy cannot be 1.0 error

- Fix Bug 7570 - Fix upload model filepath cannot be path way error

- Add Requirements 7538 - Auto add APM node if setting APM firehose

- Refactor unit tests

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- Rename afs to afs2-model

- Remove v1 API and v1 unit tests

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- Update env version to AFS_API_VERSION

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- Add v2 models API

- Update v2 models API unit tests