feat: initial release — LedGrab Home Assistant integration

HACS-compatible custom component split out from the main LedGrab repo.
Creates light, switch, sensor, number, and select entities for each
configured LedGrab device.

custom_components/ledgrab/manifest.json

@@ -0,0 +1,12 @@
+{
+  "domain": "ledgrab",
+  "name": "LedGrab",
+  "codeowners": ["@alexeidolgolyov"],
+  "config_flow": true,
+  "dependencies": [],
+  "documentation": "https://git.dolgolyov-family.by/alexei.dolgolyov/ledgrab-haos-integration",
+  "iot_class": "local_push",
+  "issue_tracker": "https://git.dolgolyov-family.by/alexei.dolgolyov/ledgrab-haos-integration/issues",
+  "requirements": ["aiohttp>=3.9.0"],
+  "version": "0.2.0"
+}