Add hassfest validation

This is required to prepare for inclusion in the HACS default repo.

Signed-off-by: rany <ranygh@riseup.net>

.github/workflows/validate.yml → .github/workflows/validation_hacs.yaml

@@ -1,4 +1,4 @@
-name: Validate
+name: HACS Action
 
 on:
   push:
@@ -10,7 +10,7 @@ jobs:
   validate:
     runs-on: "ubuntu-latest"
     steps:
-      - uses: "actions/checkout@v2"
+      - uses: "actions/checkout@v4"
       - name: HACS validation
         uses: "hacs/action@main"
         with:

.github/workflows/validation_hassfest.yaml

@@ -0,0 +1,14 @@
+name: Validate with hassfest
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron:  '0 0 * * *'
+
+jobs:
+  validate:
+    runs-on: "ubuntu-latest"
+    steps:
+        - uses: "actions/checkout@v4"
+        - uses: "home-assistant/actions/hassfest@master"