[$60] Automatically get token during API requests using Axios

[maxceem]

At the moment for each request which requires user token we are repeating code for getting a token, see

Instead of repeating the same code we have create an Axios Instance with interceptor which would automatically get the token like this https://github.com/appirio-tech/connect-app/blob/feature/custom-project-plan/src/api/requestInterceptor.js#L31

[yoution]

@maxceem please assign to me

[maxceem]

Contest https://www.topcoder.com/challenges/30160901 has been created for this ticket.

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[maxceem]

Contest https://www.topcoder.com/challenges/30160901 has been updated - it has been assigned to yoution.

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[maxceem]

This is an internal refactoring which doesn't require QA.

[maxceem]

Payment task has been updated: https://software.topcoder.com/review/actions/ViewProjectDetails?pid=30160901

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