add config utility

src/config.rs

@@ -0,0 +1,19 @@
+//! Utility config
+use crate::streaming_devices::streaming_device::StreamingDevice;
+use anyhow::Error;
+use serde::Deserialize;
+use std::fs;
+use std::path::Path;
+use toml::from_str;
+
+#[derive(Deserialize, Debug)]
+pub struct Config {
+    // TODO: implement complete config file
+    streaming_devices: Vec<StreamingDevice>,
+}
+
+pub fn parse_config_from_toml<P: AsRef<Path>>(path: P) -> Result<Config, Error> {
+    let toml_content = fs::read_to_string(path).unwrap();
+    let config: Config = from_str(&toml_content)?;
+    Ok(config)
+}