feat(sdk-core): bulk TRX resource delegation SDK + Express layer #1981

Job	Run time
Generate head API spec	2m 44s
Generate merge base API spec	8m 37s
Check specs identical	0s
API Spec Check	2s
Linter Override	-1s
Check breaking changes	-1s
Generate vacuum reports for API spec	-1s
	11m 20s

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