feat: Add Microsoft Identity Association JSON file (#2697)

# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):

Co-authored-by: Stan Girard <stan@quivr.app>

frontend/public/.well-known/microsoft-identity-association.json

@@ -0,0 +1,7 @@
+{
+    "associatedApplications": [
+        {
+            "applicationId": "511dce23-02f3-4724-8684-05da226df5f3"
+        }
+    ]
+}