feat: fswap module's basic functionality(MsgSwap, MsgSwapAll, Query) #4061

Job	Run time
build (amd64, gcc)	40s
build (arm64, aarch64-linux-gnu-gcc, g++-aarch64-linux-gnu)	1m 16s
cleanup-runs	8s
install-tparse	20s
split-test-files	15s
test-cosmovisor	1m 56s
tests (00)	3m 47s
test-race (00)	3m 49s
tests (01)	4m 40s
test-race (01)	3m 16s
tests (02)	4m 57s
test-race (02)	2m 14s
tests (03)	3m 38s
test-race (03)	2m 23s
upload-coverage-report	0s
	33m 19s

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