update formatting

restructure project
add cancellation token to cancel mcp server collection from serving

Cargo.toml

@@ -1,27 +0,0 @@
-[package]
-name = "own_assist"
-version = "0.3.0"
-edition = "2024"
-
-[dependencies]
-ollama-rs = { version = "0.3.4", features = ["macros", "headers"] }
-tokio = { version = "1.50.0", features = ["rt", "rt-multi-thread", "macros", "io-std"] }
-rmcp = { version = "1.3.0", features = ["client"] }
-log = { version = "0.4.29" }
-serde = { version = "1.0.228", features = ["derive"] }
-url = "2.5.8"
-own_mcp = { path = "own_mcp" }
-own_assist_common = { path = "common" }
-mcp_server_collection = { path = "mcp_server_collection", optional = true}
-thiserror = "2.0.18"
-dialoguer = "0.12.0"
-indicatif = "0.18.4"
-console = "0.16.3"
-clap = { version = "4.6.0", features = ["derive"] }
-base64 = "0.22.1"
-cpal = "0.17.3"
-rodio = "0.22.2"
-
-[features]
-default = ["built-in-mcp-collection"]
-built-in-mcp-collection = ["dep:mcp_server_collection"]