added ppc server and mize run external subcommands

src/core/instance/mod.rs

@@ -1028,6 +1028,9 @@ impl Mize {
         };
         self.add_part(Box::new(part));
     }
+    pub fn id_path(&self, id: &MizeId) -> MizeResult<String> {
+      Ok(id.path().join("/"))
+    }
 }
 
 #[derive(Default)]