v0.0.3

What's Changed

• Put license file by @kpicaza in #10
• Add code of conduct by @kpicaza in #13
• Add contributing file by @kpicaza in #14
• Add pull request template by @kpicaza in #15
• Add and document symfony docker support by @kpicaza in #12
• Decouple CommandFinder from AppController by @kpicaza in #18
• [#16] update install with symfony flex section by @kpicaza in #17

Full Changelog: 0.0.2...0.0.3