chore: generate expo preview qr code via slash command /preview

Author: timmyjose

.github/workflows/expo-preview.yml

@@ -1,16 +1,24 @@
+on: issue-comment
 name: Expo QR Code Preview
-
-on:
-  pull_request:
-    types: [opened, synchronize]
+permissions: write-all
 
 jobs:
-  preview:
+  check_comments:
+    name: Check comments for /preview
     runs-on: ubuntu-latest
-    permissions:
-      pull-requests: write
-
     steps:
+      - name: Check for command
+        id: command
+        uses: xt0rted/slash-command-action@v1
+        with:
+          token: ${{ secrets.GH+_PAT }}
+          continue-on-error: true
+          command: preview
+          reaction: "true"
+          reaction-type: rocket
+          allow-edits: true
+          permission-level: admin
+
       - name: 🏗 Setup repo
         uses: actions/checkout@v4
         with:
@@ -104,7 +112,7 @@ jobs:
 
             ---
 
-            🎩 *Made by [Torii Studio](https://torii.studio)*
+            🎩 *Adapted from the Workflow by [Torii Studio](https://torii.studio/guides/expo-qr-previews)*
             `;
 
             // Fetch existing comments