Add account signup and turnstile, subroom perms (#24)

* turnstile

* require turnstile

* homepage refresh

* implemented rooms visited endpoint for friends

* update default profile pic

* add a meta download button

* add subroom permissions

* enable signup

apps/www/vitest.config.ts

@@ -8,6 +8,10 @@ export default defineConfig({
 			miniflare: {
 				bindings: {
 					ENVIRONMENT: 'VITEST',
+					// The Turnstile keypair is NOT bound here: both keys come from the Secrets
+					// Store now, and the tests seed the local store with the test pair (see
+					// src/test/integration/api.test.ts). A plain binding of the same name would
+					// shadow the store binding with a string.
 				},
 			},
 		}),