Added a requests trait.

src/morethantext/mod.rs

@@ -7,6 +7,16 @@ use std::{collections::HashMap, error::Error, fmt};
 
 const ENTRY: &str = "EntryPoint";
 
+trait Requests {
+    fn add(kind: &str, key: &str, value: Storage) -> Result<(), MTTError> {
+        Err(MTTError::new("not supported"))
+    }
+
+    fn get() -> Vec<Storage> {
+        Vec::new()
+    }
+}
+
 #[derive(Debug)]
 enum ErrorCode {
     // General