Add LOOKin integration (#19884)

Co-authored-by: J. Nick Koston <nick@koston.org>

source/_integrations/lookin.markdown

@@ -0,0 +1,26 @@
+---
+title: LOOKin
+description: Instructions on how to integrate LookIN devices into Home Assistant.
+ha_category:
+  - Climate
+  - Sensor
+ha_release: 2021.11
+ha_iot_class: Local Push
+ha_codeowners:
+  - '@ANMalko'
+ha_domain: lookin
+ha_config_flow: true
+ha_platforms:
+  - climate
+  - sensor
+---
+
+Integrates LOOKin devices into Home Assistant.
+
+[LOOKin](https://look-in.club/en/devices) focuses on providing devices that integrate with a local api and can be used internet free.
+
+### Supported devices
+
+LOOKin Remote2: internet free Wi-Fi+IR Smart Home Control
+
+{% include integrations/config_flow.md %}