Feature/registry package index (#2623)

* include system images in compat s9pk

* wip

* wip

* update types

* wip

* fix signature serialization

* Add SignatureHeader conversions

* finish display impl for get

---------

Co-authored-by: Shadowy Super Coder <musashidisciple@proton.me>

web/projects/marketplace/src/pages/show/additional/additional.component.html

@@ -1,14 +1,3 @@
-<ng-container *ngIf="pkg.manifest.replaces as replaces">
-  <div *ngIf="replaces.length" class="ion-padding-bottom">
-    <ion-item-divider>Intended to replace</ion-item-divider>
-    <ul>
-      <li *ngFor="let app of replaces">
-        {{ app }}
-      </li>
-    </ul>
-  </div>
-</ng-container>
-
 <ion-item-divider>Additional Info</ion-item-divider>
 <ion-grid *ngIf="pkg.manifest as manifest">
   <ion-row>