grapevine 1.0.0

A modern, asynchronous peer-to-peer gossip protocol library and application
Documentation
## Motivation
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Closes #
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## Changes
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## Test Plan
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## TODO
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- [ ] Explain motivation or link existing issue(s)
- [ ] Test changes and document test plan
- [ ] Update documentation as needed

## DevOps Notes
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- [x] This PR does not require configuration changes (e.g., environment variables, GitHub secrets, VM resources)
- [x] This PR does not affect public APIs
- [x] This PR does not rely on a new version of external services
- [x] This PR does not make changes to log messages (which monitoring infrastructure may rely on)