added isSkill condition authored by Lxlp's avatar Lxlp
## Description
This condition tests if the target is within the given list of biomes.
If no namespace is provided, it will default to `minecraft:`
## Attributes
| Attribute | Aliases | Description | Default |
| --------- | --------| --------------------------|------------------|
| biome | b | A list of biomes to check | minecraft:plains |
| exact | e | Whether to match the biome exactly | true |
## Examples
```yaml
Conditions:
- biome{b=minecraft:plains,river} true
```
If using a custom biome (like from a datapack), you can define it with the namespaced key like this:
```yaml
Conditions:
- biome{b=far_end:void,far_end:warped_marsh} true
```
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