Update README.md

# SmartIR

## Climate Component

#### Configuration variables:

**name** (Optional): Name to use in the frontend<br /

**device_id** (Required): ......<br /

**controller_send_service** (Required): ......<br /

**temperature_sensor** (Optional): **entity_id** for a temperature sensor<br />

**humidity_sensor** (Optional): **entity_id** for a humidity sensor<br />