Update CSP to allow netlify preview drawer

See https://docs.netlify.com/site-deploys/deploy-previews/#netlify-drawer-is-missing
for details.

Signed-off-by: Lukas Puehringer <lukas.puehringer@nyu.edu>

Author: Lukas Puehringer

netlify.toml

@@ -26,7 +26,7 @@ to = "https://theupdateframework.github.io/specification/latest/"
 [[headers]]
   for = "/*"
   [headers.values]
-    Content-Security-Policy = "default-src 'self' code.jquery.com fonts.googleapis.com fonts.gstatic.com use.fontawesome.com"
+    Content-Security-Policy = "default-src 'self' code.jquery.com fonts.googleapis.com fonts.gstatic.com use.fontawesome.com app.netlify.com netlify-cdp-loader.netlify.app"
     X-Frame-Options = "deny"
     X-Content-Type-Options = "nosniff"
     Referrer-Policy = "no-referrer-when-downgrade"