Reorganisation, plus de warnings

src/shell/autocomplete.rs

@@ -0,0 +1,8 @@
+pub fn autocomplete(input: &String) -> String {
+    let faketab = format!(" --This is a fake output for autocomplete from {input}-- ");
+    //In reality, we would keep the input and append to it
+    let aaa = String::from(faketab);
+    return aaa;
+}
+
+