fix: pkgr->ext pkgrfile

manifest/src/lib.rs

@@ -16,7 +16,7 @@ pub struct Manifest<E: Clone = Option<ext::Extension>> {
     pub fs: fs::FS,
     pub bin: Option<bin::Bin>,
     pub build: Option<build::Build>,
-    pub pkgr: E,
+    pub ext: E,
 }
 
 impl<P: Clone> Manifest<P> {
@@ -50,7 +50,7 @@ impl Default for Manifest {
             fs: fs::FS::default(),
             bin: None,
             build: None,
-            pkgr: None,
+            ext: None,
         }
     }
 }