replace main.rs demo with integration tests #163

Job	Run time
lib_android (monero)	50s
lib_linux (monero)	28m 53s
lib_android (wownero)	1m 5s
lib_linux (wownero)	29m 14s
lib_mingw (monero)	3m 26s
lib_mingw (wownero)	3m 38s
lib_darwin (monero)	14m 0s
lib_darwin (wownero)	13m 41s
ios build (monero)	10m 59s
ios build (wownero)	11m 9s
macos build (monero)	2m 57s
macos build (wownero)	3m 19s
lib_sailfishos_aarch64 (monero)	3m 13s
lib_sailfishos_aarch64 (wownero)	2m 58s
lib_sailfishos_i486 (monero)	2m 4s
lib_sailfishos_i486 (wownero)	2m 32s
test ts library	50s
comment on pr	0s
create single release file	0s
	2h 14m 48s

Provide feedback