JSON.SET supports `NX` and `XX`

[mapleFU]

Search before asking

• [X] I had searched in the issues and found no similar issues.

Motivation

From the https://github.com/RedisJSON/RedisJSON/blob/master/docs/commands/json.set.md

We only support JSON.SET without NX and XX.

Solution

No response

Are you willing to submit a PR?

• [X] I'm willing to submit a PR!

[jonathanc-n]

@mapleFU is this finished? If you are not working on it, can I take over on it?