TimeSeries: Support `twa` aggregator for downstream timeseries writting

### Search before asking

- [x] I had searched in the [issues](https://github.com/apache/kvrocks/issues) and found no similar issues.

### Motivation

Note: It is recommended to complete #3217 first.

When using `TS.CREATERULE` to create a compaction rule, support the `twa` aggregator and ensure correct aggregation in the downstream series when adding samples.

Redis reference:
https://redis.io/docs/latest/commands/ts.createrule/
[Twa details](https://redis.io/docs/latest/operate/oss_and_stack/stack-with-enterprise/release-notes/redistimeseries/redistimeseries-1.8-release-notes/#whats-new-in-18)

### Solution

Refer to others aggregator like `sum`, `avg`
Refer to #3151

### Are you willing to submit a PR?

- [ ] I'm willing to submit a PR!