Add integrationFor field to cross-plugin modules

Added the integrationFor metadata field to modules that provide
integration for other plugins:
- catalog-backend-module-scaffolder-entity-model: integrates with scaffolder
- search-backend-module-catalog: indexes catalog for search
- search-backend-module-techdocs: indexes techdocs for search
- scaffolder-backend-module-notifications: sends scaffolder notifications

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

plugins/catalog-backend-module-scaffolder-entity-model/package.json

@@ -5,7 +5,10 @@
   "backstage": {
     "role": "backend-plugin-module",
     "pluginId": "catalog",
-    "pluginPackage": "@backstage/plugin-catalog-backend"
+    "pluginPackage": "@backstage/plugin-catalog-backend",
+    "integrationFor": [
+      "@backstage/plugin-scaffolder-backend"
+    ]
   },
   "publishConfig": {
     "access": "public"

plugins/scaffolder-backend-module-notifications/package.json

@@ -5,7 +5,10 @@
   "backstage": {
     "role": "backend-plugin-module",
     "pluginId": "scaffolder",
-    "pluginPackage": "@backstage/plugin-scaffolder-backend"
+    "pluginPackage": "@backstage/plugin-scaffolder-backend",
+    "integrationFor": [
+      "@backstage/plugin-notifications-backend"
+    ]
   },
   "publishConfig": {
     "access": "public",

plugins/search-backend-module-catalog/package.json

@@ -5,7 +5,10 @@
   "backstage": {
     "role": "backend-plugin-module",
     "pluginId": "search",
-    "pluginPackage": "@backstage/plugin-search-backend"
+    "pluginPackage": "@backstage/plugin-search-backend",
+    "integrationFor": [
+      "@backstage/plugin-catalog-backend"
+    ]
   },
   "publishConfig": {
     "access": "public",

plugins/search-backend-module-techdocs/package.json

@@ -5,7 +5,10 @@
   "backstage": {
     "role": "backend-plugin-module",
     "pluginId": "search",
-    "pluginPackage": "@backstage/plugin-search-backend"
+    "pluginPackage": "@backstage/plugin-search-backend",
+    "integrationFor": [
+      "@backstage/plugin-techdocs-backend"
+    ]
   },
   "publishConfig": {
     "access": "public"