Introduce new module for shared interfaces

[epsstan]

Introduce new module for shared interfaces

[epsstan]

@akphi - Can we please include this in the next release of legend-engine ? Thanks

[github-actions[bot]]

Test Results

  9 files  ±0    9 suites  ±0   11s :stopwatch: ±0s 21 tests ±0  21 :heavy_check_mark: ±0  0 :zzz: ±0  0 :x: ±0 

Results for commit 9d2c2d6c. ± Comparison against base commit 6e60e853.

:recycle: This comment has been updated with latest results.

[epsstan]

Initial use cases for this module : (1) Mark new/wip apis for authn (2) Rename/simplify test classes/surefire configurations for tests such as Test_Relational_DbSpecific_Athena_UsingPureClientTestSuite, ExternalIntegration_TestConnectionAcquisitionWithFlowProvider_Databricks