fix: add Logger metadata keys and update gettext

Add member_id, member_email, error, error_type, cycles_count, and notifications_count to Logger metadata configuration. Update gettext translations.

config/config.exs

@@ -95,7 +95,16 @@ config :tailwind,
 # Configures Elixir's Logger
 config :logger, :default_formatter,
   format: "$time $metadata[$level] $message\n",
-  metadata: [:request_id]
+  metadata: [
+    :request_id,
+    :user_id,
+    :member_id,
+    :member_email,
+    :error,
+    :error_type,
+    :cycles_count,
+    :notifications_count
+  ]
 
 # Use Jason for JSON parsing in Phoenix
 config :phoenix, :json_library, Jason