v1.0.0-rc1

What's Changed

• ci: revert to extism cli install latest by @nilslice in #5
• ci: use extism from git instead of latest by @zshipko in #8
• Simplify API, use static functions for namespacing, remove u32 load/store functions by @zshipko in #9
• chore: Release 0.1.0 by @bhelx in #11
• ci: use new cli by @zshipko in #12
• chore: use extism:host/env namespace by @zshipko in #13
• docs: move readme from extism.org by @bhelx in #15
• release: 1.0.0-rc1 by @bhelx in #16

Full Changelog: v0.0.1-rc.2...v1.0.0-rc1