MP: Add rsvps 2022/04/bi1tf

content/mf2/2022/04/bi1tf.md

+{
+  "date" : "2022-04-10T22:04:00+0100",
+  "deleted" : false,
+  "draft" : false,
+  "h" : "h-entry",
+  "properties" : {
+    "in-reply-to" : [ "https://www.meetup.com/Tech-Nottingham/events/285194327/" ],
+    "published" : [ "2022-04-10T22:04:00+0100" ],
+    "post-status" : [ "published" ],
+    "rsvp" : [ "yes" ]
+  },
+  "kind" : "rsvps",
+  "slug" : "2022/04/bi1tf",
+  "client_id" : "https://indigenous.marksuth.dev/"
+}