1.0.0b0

beta 0 release of v1.0.0

changes

• this PR completes core feature work for the frames v1 spec
• mint actions
• eip-712 signatures
• new (more complex) playground example to demo misc eip-712, mints, dynamic image rendering, links, text inputs, etc.
• ci/cd actions for testing, build, and publishing
• more tests
• update readme

full changelog: 0.0.6b2...1.0.0b0