Add from annotation to inherited errors

src/main.rs

@@ -23,9 +23,9 @@ pub enum WebhookeyError {
     #[error("Could not evaluate filter request")]
     InvalidFilter,
     #[error("IO Error")]
-    Io(std::io::Error),
+    Io(#[from] std::io::Error),
     #[error("Serde Error")]
-    Serde(serde_json::Error),
+    Serde(#[from] serde_json::Error),
 }
 
 pub fn get_string(data: &serde_json::Value) -> Result<String, WebhookeyError> {