fix(i): Update example with typed input (sourcenetwork#2205)

## Relevant issue(s)

N/A

## Description

This PR updates the example create request with the new typed input.

## Tasks

- [x] I made sure the code is well commented, particularly
hard-to-understand areas.
- [x] I made sure the repository-held documentation is changed
accordingly.
- [x] I made sure the pull request title adheres to the conventional
commit style (the subset used in the project can be found in
[tools/configs/chglog/config.yml](tools/configs/chglog/config.yml)).
- [x] I made sure to discuss its limitations such as threats to
validity, vulnerability to mistake and misuse, robustness to
invalidation of assumptions, resource requirements, ...

## How has this been tested?

N/A

Specify the platform(s) on which this was tested:
- MacOS

examples/request/user_creation.graphql

@@ -1,5 +1,5 @@
 mutation {
-    create_User(data: "{\"age\": 31, \"verified\": true, \"points\": 90, \"name\": \"Bob\"}") {
+    create_User(input: {age: 31, verified: true, points: 90, name: "Bob"}) {
         _docID
     }
 }