Improve developer documentation: Update seed data documentation (#7904)

tools/api/fleet/teams/create_premium

@@ -24,7 +24,7 @@ create_user_endpoint="api/latest/fleet/users/admin"
 
 # Create Anna
 data='{
-  "name": "Anna",
+  "name": "Anna G. Admin",
   "email": "anna@organization.com",
   "password": "password123#",
   "invited_by": 1,
@@ -35,7 +35,7 @@ curl -X POST $CURL_FLAGS -H "Authorization: Bearer $TOKEN" "$SERVER_URL/$create_
 
 # Create Mary
 data='{
-  "name": "Mary",
+  "name": "Mary G. Maintainer",
   "email": "mary@organization.com",
   "password": "password123#",
   "invited_by": 1,
@@ -46,7 +46,7 @@ curl -X POST $CURL_FLAGS -H "Authorization: Bearer $TOKEN" "$SERVER_URL/$create_
 
 # Create Oliver
 data='{
-  "name": "Oliver",
+  "name": "Oliver G. Observer",
   "email": "oliver@organization.com",
   "password": "password123#",
   "invited_by": 1,
@@ -57,7 +57,7 @@ curl -X POST $CURL_FLAGS -H "Authorization: Bearer $TOKEN" "$SERVER_URL/$create_
 
 # Create Marco
 data='{
-  "name": "Marco",
+  "name": "Marco Mixed Roles",
   "email": "marco@organization.com",
   "password": "password123#",
   "invited_by": 1,
@@ -93,9 +93,27 @@ data='{
 }'
 curl -X POST $CURL_FLAGS -H "Authorization: Bearer $TOKEN" "$SERVER_URL/$create_user_endpoint" -d "$data" --insecure
 
+
+# Create Manny
+data='{
+  "name": "Manny T. Maintainer",
+  "email": "manny@organization.com",
+  "password": "password123#",
+  "invited_by": 1,
+  "global_role": null,
+  "admin_forced_password_reset": false,
+  "teams": [
+    {
+      "id": 1,
+      "role": "maintainer"
+    }
+  ]
+}'
+curl -X POST $CURL_FLAGS -H "Authorization: Bearer $TOKEN" "$SERVER_URL/$create_user_endpoint" -d "$data" --insecure
+
 # Create Toni
 data='{
-  "name": "Toni",
+  "name": "Toni T. Observer",
   "email": "toni@organization.com",
   "password": "password123#",
   "invited_by": 1,