v0.9.0

What's Changed

• installation in README by @cable8mm in #11
• Fix namespace with composer config by @cable8mm in #12
• Remove composer lock and actions by @cable8mm in #13
• Add new github actions by @cable8mm in #14
• Add a CHANGELOG.md and revise a changelog action by @cable8mm in #15
• Fix test folders and namespace by @cable8mm in #16

Full Changelog: 0.2.0...v0.9.0