Rebuild the repo as a workspace

This replaces the existing single lib project repo, and replaces it with a workspace containing a large number of crates, this will allow for a much better structure and less feature flags being needed for reducing the feature scope for each user.

Cargo.toml

@@ -1,19 +1,4 @@
-[package]
-name = "rnavp"
-version = "0.3.0"
-edition = "2024"
-publish = ["gitea"]
-license = "MIT OR Apache-2.0"
-
-[features]
-default= ["embassy"]
-std = []
-embassy = ["core_full"]
-core = []
-core_full = ["core_communication", "core_logic"]
-core_communication = ["core"]
-core_logic = ["core"]
-host = ["std", "core_full"]
-
-[dependencies]
-serde = { version = "1.0.228", features = ["derive"], default-features = false }
+[workspace]
+members = ["rnavp"
+, "rnavp_communication", "rnavp_logic"]
+resolver = "3"