restructure into multiple crates

add mcp server collection

common/src/config_loader.rs

@@ -0,0 +1,16 @@
+use std::path::Path;
+use thiserror::Error;
+use serde::de::DeserializeOwned;
+
+#[derive(Debug, Error)]
+pub enum ConfigLoadingError{
+    #[error(transparent)]
+    IoError(#[from] std::io::Error),
+    #[error(transparent)]
+    ParseError(#[from] toml::de::Error),
+}
+
+pub fn config_from_file<T: DeserializeOwned>(filepath: impl AsRef<Path>) -> Result<T, ConfigLoadingError> {
+    let toml_string: String = std::fs::read_to_string(filepath)?;
+    Ok(toml::from_str(&toml_string)?)
+}