DodoApp: Public API to fetch allowed networks

Update landing page to communicate with dodo-app backend.

Change-Id: I269ad5150b9203eca9c1c9cc9a8a99b55c583419
diff --git a/apps/landing/hugo.toml b/apps/landing/hugo.toml
index 62892eb..b7cb8bc 100644
--- a/apps/landing/hugo.toml
+++ b/apps/landing/hugo.toml
@@ -1,3 +1,9 @@
 baseURL = 'https://example.org/'
 languageCode = 'en-us'
 title = 'Dodo'
+[[headers]]
+  for = '/**'
+  [headers.values]
+    Content-Security-Policy = 'connect-src app.v1.dodo.cloud'
+    Referrer-Policy = 'strict-origin-when-cross-origin'
+    X-Content-Type-Options = 'nosniff'