frontend-plugin-api: move over apis

Co-authored-by: Philipp Hugenroth <philipph@spotify.com>
Co-authored-by: Camila Belo <camilaibs@gmail.com>
Signed-off-by: Vincenzo Scamporlino <vincenzos@spotify.com>

packages/frontend-plugin-api/package.json

@@ -39,6 +39,7 @@
     "react-router-dom": "6.0.0-beta.0 || ^6.3.0"
   },
   "dependencies": {
+    "@backstage/config": "workspace:^",
     "@backstage/core-components": "workspace:^",
     "@backstage/core-plugin-api": "workspace:^",
     "@backstage/types": "workspace:^",