feat(add): LST103 (#7979)

* Added definition for the Gumax Lighting System

* Fix linting error

* Update gumax.ts

---------

Co-authored-by: Koen Kanters <[email protected]>

Author: basdp

src/devices/gumax.ts

@@ -0,0 +1,15 @@
+import {light} from '../lib/modernExtend';
+import {DefinitionWithExtend} from '../lib/types';
+
+const definitions: DefinitionWithExtend[] = [
+    {
+        zigbeeModel: ['LST103'],
+        model: 'LST103',
+        vendor: 'Gumax',
+        description: 'Gumax lighting system',
+        extend: [light({colorTemp: {range: [153, 370]}, color: {modes: ['xy', 'hs'], enhancedHue: true}})],
+    },
+];
+
+export default definitions;
+module.exports = definitions;

src/devices/index.ts

@@ -98,6 +98,7 @@ import gledopto from './gledopto';
 import gmmts from './gmmts';
 import gmy from './gmy';
 import gs from './gs';
+import gumax from './gumax';
 import halemeier from './halemeier';
 import hampton_bay from './hampton_bay';
 import heatit from './heatit';
@@ -407,6 +408,7 @@ export default [
     ...gmmts,
     ...gmy,
     ...gs,
+    ...gumax,
     ...halemeier,
     ...hampton_bay,
     ...heatit,