v0.6.1: Enhance relax experiences(Fixed)

NOTE: v0.6.0 has a critical bug causing itself to hang. I removed v0.6.0 release.

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Now Relax only supports a manual signing for the reproducible build.

New Features

• Add relax dist command
• Add provisioning_profile checker to confirm whether it's invalid or not in a build machine.
• Install "AppleWWDRCA" certificate automatically in a custom keychain on the creation and in use.

ChangeList

• [Major] Only scheme and provisioning_profile fields are required for a distribution in Relfile.
• [Major] relax init is interactive now to set up a new Relfile.

Improvements

• Improve relax archive and relax export performace
• Improve relax profile ls, relax profile find performance incredibly(1/10 times).