TT-5555 Adding OAS support

[tbuchaillot]

Description

This PR adds OAS support.

If an API has is_oas set to true, Tyk-sync will use /api/apis/oas endpoint to update the id. For the API creation, the normal /api/apis endpoint seems enough.

We fix the OAS ID modifying the x-tyk-api-gateway.info.dbId field with the new ID from API creation.

How to test it

• Use tyk-sync dump command to dump OAS and tyk APIS Example: ./tyk-sync dump -d="http://localhost:3000" -s="7080fcd212a6489b64f6951f4b60e7b9" -t="examples/oas" It should dump all the APIs correctly.

• Manually delete all the APIs from the dashboard.

• Use tyk-sync sync command to re-create the APIs Example: ./tyk-sync sync -d="http://localhost:3000" -s="7080fcd212a6489b64f6951f4b60e7b9" -p="examples/oas" It should create the API's again.

• Use tky-sync sync command again. It should update the APIs instead of deleting and creating them again.

https://tyktech.atlassian.net/browse/TT-5555

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

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0.0% Duplication

[tbuchaillot]

@jeffy-mathew @furkansenharputlu can any of you guys have a look?

[tbuchaillot]

/release to release-1.2

[tykbot[bot]]

Working on it! Note that it can take a few minutes.

[tykbot[bot]]

@tbuchaillot Succesfully merged a257afd708d119405ff5768a6447552268adaf2d to release-1.2 branch.