catalog: add default route targets

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

.changeset/rich-teachers-agree.md

@@ -0,0 +1,9 @@
+---
+'@backstage/plugin-catalog': minor
+---
+
+Added the following default targets for external routes:
+
+- `createComponent` binds to the Scaffolder page.
+- `viewTechDoc` binds to the TechDocs entity documentation page.
+- `createFromTemplate` binds to the Scaffolder selected template page.

plugins/catalog/src/routes.ts

@@ -22,18 +22,21 @@ import {
 export const createComponentRouteRef = createExternalRouteRef({
   id: 'create-component',
   optional: true,
+  defaultTarget: 'scaffolder.createComponent',
 });
 
 export const viewTechDocRouteRef = createExternalRouteRef({
   id: 'view-techdoc',
   optional: true,
   params: ['namespace', 'kind', 'name'],
+  defaultTarget: 'techdocs.docRoot',
 });
 
 export const createFromTemplateRouteRef = createExternalRouteRef({
   id: 'create-from-template',
   optional: true,
   params: ['namespace', 'templateName'],
+  defaultTarget: 'scaffolder.selectedTemplate',
 });
 
 export const unregisterRedirectRouteRef = createExternalRouteRef({