added push notification

gatsby-browser.js

@@ -4,3 +4,24 @@ import "typeface-barlow"
 import "prismjs/themes/prism.css"
 
 import "./src/styles/base.scss"
+
+// gatsby-browser.js
+export const onClientEntry = () => {
+  if (typeof window !== "undefined") {
+    // Add OneSignal script dynamically
+    const script = document.createElement("script")
+    script.src = "https://cdn.onesignal.com/sdks/web/v16/OneSignalSDK.page.js"
+    script.defer = true
+    document.head.appendChild(script)
+
+    // Initialize OneSignal after the script is loaded
+    script.onload = () => {
+      window.OneSignalDeferred = window.OneSignalDeferred || []
+      window.OneSignalDeferred.push(async function (OneSignal) {
+        await OneSignal.init({
+          appId: "6388df01-31c6-4379-a183-a5121771c48a",
+        })
+      })
+    }
+  }
+}

static/OneSignalSDKWorker.js

@@ -0,0 +1 @@
+importScripts("https://cdn.onesignal.com/sdks/web/v16/OneSignalSDK.sw.js")