feat: Add support for registering accounts with the web UI

src/web/pages/mod.rs

@@ -49,11 +49,17 @@ pub(super) async fn template_context_middleware(
 
 	let mut response = next.run(request).await;
 
+	let child_src = if config.recaptcha_site_key.is_some() {
+		"www.google.com"
+	} else {
+		"'none'"
+	};
+
 	response.headers_mut().insert(
 		header::CONTENT_SECURITY_POLICY,
 		HeaderValue::from_str(&format!(
 			"default-src 'none'; style-src 'self'; img-src 'self' 'https' data:; script-src \
-			 'nonce-{csp_nonce}';"
+			 'nonce-{csp_nonce}'; child-src {child_src};"
 		))
 		.expect("should be able to build CSP header"),
 	);