message: Refine installation guide for MacOS
diff: @@ -224,6 +224,8 @@ See section "Release channels" for more details.
  * `library.a`
  * `library.dylib`
  +5. Install dependent libraries: libsodium, zeromq, openssl. The dependent libraries should match the version with what you can find from ``otool -L libindy.dylib``.
  +
  You need add the path to lib folder to LIBRARY_PATH environment variable.
  {library} must be replaced with libindy, libnullpay, libvcx or indy-cli to define corresponded library.
  