Add new SAML Configuration for a Mapping

Mapping can now have SAML Coniguration:

• Only API was implemented

plugins/netbox-rps-plugin/netbox_rps_plugin/api/serializers.py

 from rest_framework import serializers
-from ..models import Mapping, HttpHeader
+from ..models import Mapping, HttpHeader, SamlConfig
 from netbox.api.serializers import NetBoxModelSerializer, WritableNestedSerializer
+from pprint import pp
 
 
 class NestedMappingSerializer(WritableNestedSerializer):
     url = serializers.HyperlinkedIdentityField(
-        view_name='plugins-api:netbox_rps_plugin-api:mapping-detail'
+        view_name="plugins-api:netbox_rps_plugin-api:mapping-detail"
     )
 
     class Meta:
         model = Mapping
-        fields = ('id', 'url', 'display')
+        fields = ("id", "url", "display")
+
+
+class NestedSamlConfigSerializer(WritableNestedSerializer):
+    url = url = serializers.HyperlinkedIdentityField(
+        view_name="plugins-api:netbox_rps_plugin-api:samlconfig-detail"
+    )
+
+    class Meta:
+        model = SamlConfig
+        fields = (
+            "id",
+            "url",
+            "acs_url",
+            "logout_url",
+            "force_nauth",
+        )
+
+
+class SamlConfigSerializer(NetBoxModelSerializer):
+    url = serializers.HyperlinkedIdentityField(
+        view_name="plugins-api:netbox_rps_plugin-api:samlconfig-detail"
+    )
+
+    mapping = NestedMappingSerializer()
+
+    class Meta:
+        model = SamlConfig
+        fields = (
+            "id",
+            "url",
+            "acs_url",
+            "logout_url",
+            "force_nauth",
+            "mapping",
+            "custom_fields",
+            "created",
+            "last_updated",
+            "tags",
+        )
 
 
 class HttpHeaderSerializer(NetBoxModelSerializer):
     url = serializers.HyperlinkedIdentityField(
-        view_name='plugins-api:netbox_rps_plugin-api:httpheader-detail'
+        view_name="plugins-api:netbox_rps_plugin-api:httpheader-detail"
     )
 
     mapping = NestedMappingSerializer()
 
     class Meta:
         model = HttpHeader
-        fields = ('id', 'url', 'name', 'value', 'apply_to', 'mapping', 'custom_fields', 'created', 'last_updated', 'tags')
+        fields = (
+            "id",
+            "url",
+            "name",
+            "value",
+            "apply_to",
+            "mapping",
+            "custom_fields",
+            "created",
+            "last_updated",
+            "tags",
+        )
 
 
 class NestedHttpHeaderSerializer(WritableNestedSerializer):
     url = serializers.HyperlinkedIdentityField(
-        view_name='plugins-api:netbox_rps_plugin-api:httpheader-detail'
+        view_name="plugins-api:netbox_rps_plugin-api:httpheader-detail"
     )
 
     class Meta:
         model = HttpHeader
-        fields = ('id', 'url', 'name', 'value', 'apply_to')
+        fields = ("id", "url", "name", "value", "apply_to")
 
 
 class MappingSerializer(NetBoxModelSerializer):
     url = serializers.HyperlinkedIdentityField(
-        view_name='plugins-api:netbox_rps_plugin-api:mapping-detail'
+        view_name="plugins-api:netbox_rps_plugin-api:mapping-detail"
     )
     http_headers = NestedHttpHeaderSerializer(many=True, read_only=True)
+    saml_config = NestedSamlConfigSerializer(read_only=True)
 
     class Meta:
         model = Mapping
         fields = (
-            'id',
-            'url',
-            'display',
-            'source',
-            'target',
-            'authentication',
-            'testingpage',
-            'webdav',
-            'Comment',
-            'custom_fields',
-            'created',
-            'last_updated',
-            'tags',
-            'http_headers'
+            "id",
+            "url",
+            "source",
+            "target",
+            "authentication",
+            "testingpage",
+            "webdav",
+            "Comment",
+            "custom_fields",
+            "created",
+            "last_updated",
+            "tags",
+            "http_headers",
+            "saml_config",
         )