Restructure Osiris: separate core, client, and server crates to avoid circular dependencies

Cargo.toml

@@ -1,49 +1,7 @@
 [workspace]
 members = [
-    ".",
+    "core",
     "client",
     "server",
 ]
 resolver = "2"
-
-[package]
-name = "osiris"
-version = "0.1.0"
-edition = "2021"
-
-[lib]
-name = "osiris"
-path = "src/lib.rs"
-
-[[bin]]
-name = "runner"
-path = "src/bin/runner.rs"
-
-[[example]]
-name = "engine"
-path = "examples/engine/main.rs"
-
-[[example]]
-name = "freezone"
-path = "examples/freezone/main.rs"
-
-[dependencies]
-anyhow = "1.0"
-redis = { version = "0.24", features = ["aio", "tokio-comp"] }
-serde = { version = "1.0", features = ["derive"] }
-serde_json = "1.0"
-time = { version = "0.3", features = ["serde", "formatting", "parsing", "macros"] }
-tokio = { version = "1.23", features = ["full"] }
-clap = { version = "4.5", features = ["derive"] }
-toml = "0.8"
-uuid = { version = "1.6", features = ["v4", "serde"] }
-tracing = "0.1"
-tracing-subscriber = { version = "0.3", features = ["env-filter"] }
-osiris_derive = { path = "osiris_derive" }
-lettre = "0.11"
-rhai = { version = "1.21.0", features = ["std", "sync", "serde"] }
-env_logger = "0.10"
-reqwest = { version = "0.11", features = ["json"] }
-
-[dev-dependencies]
-tempfile = "3.8"