Initial command line application

[Trinidadec]

first parameter - input file
second parameter - output file

read from input and parse to js any
serialize js any and write to output file

[sergey-shandar]

https://github.com/datablockset/blockset/blob/main/blockset-lib/src/app/mod.rs#L154
https://github.com/datablockset/blockset/blob/main/blockset/src/main.rs