added get_instance_config in rootConfig

src/basic_types.rs

@@ -1,9 +1,8 @@
-use clap::builder::Str;
 use serde::{Deserialize, Serialize};
 use std::{
     error::Error,
     fs::{self, read_to_string},
-    io::{self, Write},
+    io::Write,
     path::{Path, PathBuf},
 };
 
@@ -48,13 +47,15 @@ impl RootConfig {
 
     pub fn load_instance_by_id(&self, id: &str) -> Result<ModdedInstance, Box<dyn Error>> {
         let conf = self
-            .instances
-            .iter()
-            .find(|e| e.id == id)
+            .get_instance_config(id)
             .ok_or("ID not found in root config")?;
 
         ModdedInstance::load_from_file(&conf.path)
     }
+
+    pub fn get_instance_config(&self, id: &str) -> Option<&InstancePointer> {
+        self.instances.iter().find(|e| e.id == id)
+    }
 }
 
 /// Available game