feat: add GitHub Action for deployment notifications via ntfy and Gmail SMTP

action.yml

@@ -0,0 +1,52 @@
+name: "Deploy Notification"
+description: "Notify deployment result via ntfy and Gmail SMTP"
+
+inputs:
+  status:
+    description: "Deployment status (success | failure)"
+    required: true
+
+  title:
+    description: "Notification title"
+    required: true
+
+  message:
+    description: "Notification message"
+    required: true
+
+  ntfy_url:
+    description: "ntfy server URL (e.g. https://ntfy.example.com)"
+    default: "https://ntfy.hcmc.online"
+    required: false
+
+  ntfy_topic:
+    description: "ntfy topic"
+    default: "deploy"
+    required: false
+
+  gmail_user:
+    description: "Gmail address"
+    default: "sitienbmt@gmail.com"
+    required: false
+
+  gmail_to:
+    description: "Recipient email"
+    default: "sitienbmt@gmail.com"
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Send notification
+      shell: bash
+      env:
+        STATUS: ${{ inputs.status }}
+        TITLE: ${{ inputs.title }}
+        MESSAGE: ${{ inputs.message }}
+        NTFY_URL: ${{ inputs.ntfy_url }}
+        NTFY_TOPIC: ${{ inputs.ntfy_topic }}
+        GMAIL_USER: ${{ inputs.gmail_user }}
+        GMAIL_TO: ${{ inputs.gmail_to }}
+        GMAIL_PASS: ${{ secrets.GMAIL_APP_PASSWORD }}
+      run: |
+        bash ${{ github.action_path }}/notify.sh