ModConfig add ID

src/types/mod_config.rs

@@ -33,6 +33,11 @@ impl ModConfig {
         }
     }
 
+    pub fn add_id(mut self, id: &str) -> Self {
+        self.id = id.to_owned();
+        self
+    }
+
     pub fn id(&self) -> &str {
         &self.id
     }