Add the ability to view the catalog's spec from the Backstage interface.

Signed-off-by: Aramis <sennyeyaramis@gmail.com>
Signed-off-by: Aramis Sennyey <aramiss@spotify.com>

app-config.yaml

@@ -50,6 +50,7 @@ backend:
     allow:
       - host: example.com
       - host: '*.mozilla.org'
+      - host: localhost:7007
   # workingDirectory: /tmp # Use this to configure a working directory for the scaffolder, defaults to the OS temp-dir
 
 # See README.md in the proxy-backend plugin for information on the configuration format
@@ -464,3 +465,9 @@ stackstorm:
 
 permission:
   enabled: true
+
+openapi:
+  plugins:
+    - catalog
+    - search
+    - todo