added isSkill condition authored by Lxlp's avatar Lxlp
## Description
Checks if the given numeric variable is within a certain range.
## Attributes
| Attribute | Aliases | Description | Default |
|-----------|-----------|----------------------------------------------------------------------|---------|
| variable | name, n, var, key, k | Variable to match, optionally prefixed by a scope | |
| value | val, v, range, r | A number range to match | |
| scope | s | The [scope](/Skills/Variables#variable-scopes) of the variable, e.g. where the variable is located |<!--type:VariableScope-->|
## Examples
```yaml
ShootCheck:
Cooldown: 0
Conditions:
- variableInRange{var=caster.shootsLeft;value=>0} castInstead ShootThemUp
Skills:
- message{m="&7Reloading..."} @self
- delay 0
- setskillcooldown{skill=ShootCheck;seconds=2} @self
- delay 20
- setvariable{var=caster.shootsLeft;value=10} @self
- message{m="&7Reloaded!"} @self
```
## Aliases
- [x] varinrange
- [x] varrange
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