update createTEI docs to include enrollment in readme

README.md

@@ -38,23 +38,30 @@ fetchAnalytics({
 
 ## Tracked Entity API
 
-#### Create a new tracked entity instance from a CommCare form submission.
+#### Create a new tracked entity instance and enroll them from a CommCare form submission.
 ```js
-createTEI(
-  fields(
-    field("trackedEntity", "nEenWmSyUEp"),
-    field("orgUnit", "DiszpKrYNg8"),
-    field("attributes", function(state) {
-      return [{
-        "attribute": "w75KJ2mc4zz",
-        "value": dataValue("form.first_name")(state)
-      }, {
-        "attribute": "zDhUuAYrxNC",
-        "value": dataValue("form.last_name")(state)
-      }]
-    })
-  )
-)
+createTEI({
+  "trackedEntityType": "nEenWmSyUEp",
+  "orgUnit": "g8upMTyEZGZ",
+  "attributes": [
+    {
+      "attribute": "w75KJ2mc4zz",
+      "value": dataValue("form.first_name")(state)
+    },
+    {
+      "attribute": "zDhUuAYrxNC",
+      "value": dataValue("form.last_name")(state)
+    }
+  ],
+  "enrollments": [
+    {
+        "orgUnit": "g8upMTyEZGZ",
+        "program": "IpHINAT79UW",
+        "enrollmentDate": "2019-04-08",
+        "incidentDate": "2019-04-08"
+     }
+   ]
+});
 ```
 
 ## Events API