Add new github workflow for hacs

Author: AlexxIT

.github/workflows/hacs.yml

@@ -0,0 +1,18 @@
+name: HACS validation
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  hacs:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v2"
+      - uses: "hacs/action@main"
+        with: { category: "integration" }
+  hassfest:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v3"
+      - uses: "home-assistant/actions/hassfest@master"

.github/workflows/validate.yml

@@ -1,12 +1,16 @@
 {
   "domain": "dash_cast",
   "name": "DashCast",
+  "codeowners": [
+    "@AlexxIT"
+  ],
   "config_flow": true,
+  "dependencies": [
+    "cast"
+  ],
   "documentation": "https://github.com/AlexxIT/DashCast",
+  "iot_class": "calculated",
   "issue_tracker": "https://github.com/AlexxIT/DashCast/issues",
-  "codeowners": ["@AlexxIT"],
-  "dependencies": ["cast"],
   "requirements": [],
-  "version": "1.0.0",
-  "iot_class": "calculated"
+  "version": "1.0.0"
 }

custom_components/dash_cast/manifest.json

@@ -1,23 +1,19 @@
 load_url:
   name: DashCast
-  description: 'Send websites to Chromecasts'
+  description: Send websites to Chromecasts
   fields:
     entity_id:
-      description: Media player entity
-      example: media_player.mibox4
       required: true
       selector:
         entity:
           integration: cast
           domain: media_player
-
     url:
       description: Webpage URL
-      example: http://yandex.ru/pogoda/moscow
+      example: https://www.home-assistant.io/
       required: true
       selector:
         text:
-
     force:
       description: Use this option if iframe blocking is enabled on the site
       default: false