feat: add Code References to project integrations page (#6974)

Author: talissoncosta

frontend/common/stores/default-flags.ts

@@ -28,6 +28,15 @@ const defaultFlags = {
       'perEnvironment': false,
       'title': 'Backstage',
     },
+    'code-references': {
+      'description':
+        'Integrate with Code References to track feature flag usage in your codebase, and unlock new functionality in Flagsmith.',
+      'docs': 'https://docs.flagsmith.com/managing-flags/code-references',
+      'external': true,
+      'image': '/static/images/integrations/code-references.svg',
+      'perEnvironment': false,
+      'title': 'Code References',
+    },
     'datadog': {
       'description':
         'Sends events to Datadog for when flags are created, updated and removed. Logs are tagged with the environment they came from e.g. production.',