Add CTAs to daily emails

Add a daily email CTA node type and reference field to attach a CTA to a
daily email.

Also update the RSS feed view to include the referenced body field
value.

content/node.3074e1e9-c691-4f73-a71c-cfe5920f884e.json

@@ -0,0 +1,92 @@
+{
+    "uuid": [
+        {
+            "value": "3074e1e9-c691-4f73-a71c-cfe5920f884e"
+        }
+    ],
+    "langcode": [
+        {
+            "value": "en"
+        }
+    ],
+    "type": [
+        {
+            "target_id": "daily_email_cta",
+            "target_type": "node_type",
+            "target_uuid": "aafaaf8f-2670-4202-bc20-2bc31312859b"
+        }
+    ],
+    "revision_timestamp": [
+        {
+            "value": "2025-06-13T22:10:23+00:00"
+        }
+    ],
+    "revision_uid": [
+        {
+            "target_type": "user",
+            "target_uuid": "b8966985-d4b2-42a7-a319-2e94ccfbb849"
+        }
+    ],
+    "revision_log": [],
+    "status": [
+        {
+            "value": true
+        }
+    ],
+    "uid": [
+        {
+            "target_type": "user",
+            "target_uuid": "b8966985-d4b2-42a7-a319-2e94ccfbb849"
+        }
+    ],
+    "title": [
+        {
+            "value": "Call"
+        }
+    ],
+    "created": [
+        {
+            "value": "2025-06-13T22:07:32+00:00"
+        }
+    ],
+    "changed": [
+        {
+            "value": "2025-06-13T22:10:23+00:00"
+        }
+    ],
+    "promote": [
+        {
+            "value": false
+        }
+    ],
+    "sticky": [
+        {
+            "value": false
+        }
+    ],
+    "default_langcode": [
+        {
+            "value": true
+        }
+    ],
+    "revision_translation_affected": [
+        {
+            "value": true
+        }
+    ],
+    "path": [
+        {
+            "alias": "",
+            "pid": null,
+            "langcode": "en"
+        }
+    ],
+    "body": [
+        {
+            "value": "<p>P.S. Are you still using Drupal 7 and don\u2019t know what\u2019s involved to upgrade to Drupal 10? <a href=\"\/call\">Book a Drupal 7 upgrade consultation call<\/a> or <a href=\"\/drupal-upgrade\">an upgrade roadmap<\/a>.<\/p>",
+            "format": "basic_html",
+            "processed": "<p>P.S. Are you still using Drupal 7 and don\u2019t know what\u2019s involved to upgrade to Drupal 10? <a href=\"http:\/\/localhost:8888\/call\">Book a Drupal 7 upgrade consultation call<\/a> or <a href=\"http:\/\/localhost:8888\/drupal-upgrade\">an upgrade roadmap<\/a>.<\/p>",
+            "summary": ""
+        }
+    ]
+}