Add configurable Nostr retry settings

src/tests/test_cli_config_set_extra.py

@@ -18,6 +18,8 @@ runner = CliRunner()
         ("kdf_iterations", "123", "set_kdf_iterations", 123),
         ("kdf_mode", "argon2", "set_kdf_mode", "argon2"),
         ("quick_unlock", "true", "set_quick_unlock", True),
+        ("nostr_max_retries", "3", "set_nostr_max_retries", 3),
+        ("nostr_retry_delay", "1.5", "set_nostr_retry_delay", 1.5),
         (
             "relays",
             "wss://a.com, wss://b.com",