chore: initial release v0.1.0

Runtime-agnostic oneshot broadcast channel for Rust.

CODE_OF_CONDUCT.md

@@ -0,0 +1,33 @@
+# Builder's Code of Conduct
+
+## The Rule
+
+**Stay professional. Stay technical.**
+
+## Expected
+
+- Contribute constructively.
+- Respect others' time and work.
+- Focus on the work and its technical merit.
+
+## Not Welcome
+
+- Harassment, name-calling, or personal attacks.
+- Trolling, spamming, or derailing discussions.
+- Discussions about contributors rather than their contributions.
+
+## Enforcement
+
+Violations result in:
+
+1. **Warning** - First offense.
+2. **Temporary suspension** - Repeated or serious violations.
+3. **Permanent ban** - Continued violations.
+
+Maintainers can remove, block, or ban anyone who disrupts the project.
+
+## License
+
+This work is dedicated to the public domain under [CC0 1.0 Universal](https://creativecommons.org/publicdomain/zero/1.0/).
+
+You may use, modify, and distribute this freely without attribution.