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.c74de3cf-5362-4d08-935a-a9d0d22fcb94.json

@@ -0,0 +1,92 @@
+{
+    "uuid": [
+        {
+            "value": "c74de3cf-5362-4d08-935a-a9d0d22fcb94"
+        }
+    ],
+    "langcode": [
+        {
+            "value": "en"
+        }
+    ],
+    "type": [
+        {
+            "target_id": "daily_email_cta",
+            "target_type": "node_type",
+            "target_uuid": "aafaaf8f-2670-4202-bc20-2bc31312859b"
+        }
+    ],
+    "revision_timestamp": [
+        {
+            "value": "2025-06-13T23:04:29+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": "Pair programming"
+        }
+    ],
+    "created": [
+        {
+            "value": "2025-06-13T23:04:05+00:00"
+        }
+    ],
+    "changed": [
+        {
+            "value": "2025-06-13T23:04:29+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>Need help or want another pair of eyes on your code? Book a <a href=\"\/call\">1-on-1 consulting call<\/a> or an <a href=\"\/pair\">online pair programming session<\/a> with a 100% money-back guarantee.,<\/p>",
+            "format": "basic_html",
+            "processed": "<p>Need help or want another pair of eyes on your code? Book a <a href=\"http:\/\/localhost:8888\/call\">1-on-1 consulting call<\/a> or an <a href=\"http:\/\/localhost:8888\/pair\">online pair programming session<\/a> with a 100% money-back guarantee.,<\/p>",
+            "summary": ""
+        }
+    ]
+}