pos_cashdro_allow_manual: move config from paymet.method to res.config

pos_cashdro_allow_manual/models/res_config_settings.py

@@ -0,0 +1,12 @@
+# Copyright 2026 Criptomart
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    pos_cashdro_allow_manual_amount = fields.Boolean(
+        related="pos_config_id.cashdro_allow_manual_amount",
+        readonly=False,
+    )