feat(sdk-coin-flrp): add createPairedWallet method to Flrp #2000

Job	Run time
Generate merge base API spec	7m 9s
Generate head API spec	6m 22s
Check specs identical	8s
Check breaking changes	0s
API Spec Check	4s
Linter Override	-1s
Generate vacuum reports for API spec	-1s
	13m 41s

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