Enables built in tools in Crystal compiler

crystal-tools alternatives and similar shards

Based on the "Atom" category

• language-crystal-actual

  9.6 2.3 crystal-tools VS language-crystal-actual

  Crystal language support in Atom

• linter-crystal

  6.7 0.0 crystal-tools VS linter-crystal

  Lint Crystal using the Crystal compiler in Atom

Do you think we are missing an alternative of crystal-tools or a related project?