Merge branch 'tao/netlify-cors' into 'develop'

add netlify deploy previews to CORS

See merge request fediverse.space/fediverse.space!100

backend/lib/backend_web/endpoint.ex

@@ -46,7 +46,7 @@ defmodule BackendWeb.Endpoint do
   )
 
   plug(Corsica,
-    origins: ["http://localhost:3000", ~r{^https?://(.*\.?)fediverse\.space$}],
+    origins: ["http://localhost:3000", ~r{^https://(.*\.?)fediverse\.space$}, ~r{^https://(.*\.?)fediverse-space\.netlify\.app$}],
     allow_headers: ["content-type", "token"]
   )