Added another path option to reach autoload.php

[weierophinney]

Same issue as described here.

There is no symlink in macOS, just a copy of executable which cannot locate autoloader. But if we, for example, create project inside Docker container using Alpine 3.10 as base image, it creates symlink to vendor/zfcampus/zf-development-mode/bin/zf-development-mode and everything works fine as expected.

• Are you fixing a bug?
  • Detail how the bug is invoked currently.
  • Detail the original, incorrect behavior.
  • Detail the new, expected behavior.
  • Base your feature on the master branch, and submit against that branch.

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Originally posted by @gailimov at zfcampus/zf-development-mode#37

[samsonasik]

I've created PR #7 for it.