C#: Geospatial Indices Commands

### Description

Geospatial indices commands support for C# 

Full list is listed in https://github.com/valkey-io/valkey-glide/wiki/ValKey-Commands-Implementation-Progress

## Commands

- [ ] `geoadd` -
- [ ] `geodist`
- [ ] `geohash`
- [ ] `geopos`
- [ ] `geosearch`
- [ ] `geosearchstore`

