feat: Support custom base URLs and request interceptors

[box-sdk-build]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 7803089888

• -790 of 901 (12.32%) changed or added relevant lines in 78 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+1.0%) to 40.524%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/ccgAuth.generated.ts	0	1	0.0%
src/developerTokenAuth.generated.ts	0	1	0.0%
src/network.generated.ts	6	7	85.71%
src/jwtAuth.generated.ts	0	2	0.0%
src/managers/authorization.generated.ts	1	3	33.33%
src/managers/collaborationAllowlistEntries.generated.ts	1	3	33.33%
src/managers/comments.generated.ts	1	3	33.33%
src/managers/devicePinners.generated.ts	1	3	33.33%
src/managers/fileVersionRetentions.generated.ts	1	3	33.33%
src/managers/fileVersions.generated.ts	1	3	33.33%

Totals
Change from base Build 7626609888:	1.0%
Covered Lines:	6523
Relevant Lines:	12221

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💛 - Coveralls