0.2.0: CI work, "exec" probe type, "binaryContent" files

What's Changed

Changes to spec are new features and not breaking changes:

• feat: Add new containerProbe type exec for command execution by @astromechza in #114
• feat: support binaryContent for inline Score files by @astromechza in #120

Some internal CI and README work was done:

• fix(ci): split ci job and fix makefile by @astromechza in #115
• Update README.md - Good first issues badge by @mathieu-benoit in #117
• Create SECURITY.md by @mathieu-benoit in #118
• chore: attach score schema file to release artefacts by @astromechza in #119

New Contributors

• @mathieu-benoit made their first contribution in #117

Full Changelog: 0.1.0...0.2.0