feat: add function to convert

src/model/manifest_kind.rs

@@ -16,4 +16,11 @@ impl ManifestKind {
             },
         }
     }
+
+    pub fn into_mod_pack(self) -> ModPack {
+        match self {
+            Self::V1(mods) => mods.into(),
+            Self::V2(pack) => pack,
+        }
+    }
 }