Update the env proto and fix auth

lib/api/grpc/creds.dart

@@ -0,0 +1,17 @@
+import 'dart:html';
+
+class SoftplayerCreds {
+  final String uuid;
+  final String token;
+
+  SoftplayerCreds({
+    required this.token,
+    required this.uuid,
+  });
+}
+
+class SoftplayerCredsHelpers {
+  String localStorageEntry(String key) => window.localStorage[key]!;
+  SoftplayerCreds fromLocalStorage() => SoftplayerCreds(
+      token: localStorageEntry("token"), uuid: localStorageEntry("uuid"));
+}