allow yaml anchors

Author: replicadse

src/config.rs

@@ -1,7 +1,7 @@
 use std::collections::HashMap;
 
 #[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all = "snake_case", deny_unknown_fields)]
+#[serde(rename_all = "snake_case")]
 pub(crate) struct Config {
     pub version: String,
     pub env: Option<HashMap<String, String>>,