[CSL-531] Use NSIS DSL fork until ndmitchell/nsis#11 PR is merged
[CSL-531] Use NSIS DSL fork until ndmitchell/nsis#11 PR is merged

Gives us a way to inject literal strings into the generated NSIS script. Useful
in cases where we need to use an option not yet supported by the NSIS DSL.

input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus