add string attrs for tags and kinds fields

Author: emjay0921

spp_base/models/__init__.py

@@ -2,3 +2,4 @@
 
 from . import reg_id
 from . import spp_unique_id
+from . import registrant

spp_base/models/registrant.py

@@ -0,0 +1,13 @@
+# Part of OpenSPP. See LICENSE file for full copyright and licensing details.
+import logging
+
+from odoo import fields, models
+
+_logger = logging.getLogger(__name__)
+
+
+class OpenSPPResPartner(models.Model):
+    _inherit = "res.partner"
+
+    tags_ids = fields.Many2many("g2p.registrant.tags", string="Registrant Tags")
+    kind_as_str = fields.Char(related="kind.name", string="String Kind")