feat: added command functionality to install

manifest/src/pkgr.rs

@@ -1,4 +1,11 @@
+use std::fmt::{Display, Formatter};
 use serde::{Deserialize, Serialize};
 
-#[derive(Serialize, Deserialize)]
-pub struct PKGR {}
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct PKGR {}
+
+impl Display for PKGR {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        write!(f, "")
+    }
+}