feat(sdk-coin-flrp): add createPairedWallet method to Flrp #2002

Job	Run time
Generate head API spec	7m 12s
Generate merge base API spec	7m 26s
Check specs identical	6s
Generate vacuum reports for API spec	0s
Check breaking changes	0s
Linter Override	0s
API Spec Check	6s
	14m 50s

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