Platform v0.24 support

What's Changed

• chore: update to match changes made on readme.io by @rmdash in #12
• added devcontainer.json manually by @rmdash in #13
• chore: update dash to 0.24.1 by @thephez in #15
• fix: make identity key add work with v0.24 by @thephez in #16

New Contributors

• @rmdash made their first contribution in #12

Full Changelog: v0.23.0...v0.24.3