add PWA support

assets/public/client/manifest.json

@@ -0,0 +1,17 @@
+{
+	"name": "RSCord",
+	"icons": [
+		{
+			"src": "/assets/flacara.webp",
+			"sizes": "512x512"
+		}
+	],
+	"start_url": "/app",
+	"display": "standalone",
+	"scope": "/",
+	"theme_color": "#05050a",
+	"categories":["social"],
+	"description": "ok",
+	"background_color": "#05050a",
+	"offline_enabled": true
+}

assets/public/client/test.js

@@ -0,0 +1,28 @@
+// (A) CREATE/INSTALL CACHE
+self.addEventListener("install", evt => {
+  self.skipWaiting();
+  evt.waitUntil(
+    caches.open("Demo")
+    .then(cache => cache.addAll([
+      "index.html",
+      "manifest.json"
+      //"YOUR-STYLES.css",
+      //"YOUR-SCRIPTS.js",
+      //"YOUR-IMAGES.jpg"
+    ]))
+    .catch(err => console.error(err))
+  );
+});
+ 
+// (B) CLAIM CONTROL INSTANTLY
+self.addEventListener("activate", evt => self.clients.claim());
+ 
+// (C) LOAD FROM CACHE FIRST, FALLBACK TO NETWORK IF NOT FOUND
+self.addEventListener("fetch", evt => evt.respondWith(
+  caches.match(evt.request).then(res => res || fetch(evt.request))
+));
+ 
+/* (C) LOAD WITH NETWORK FIRST, FALLBACK TO CACHE IF OFFLINE
+self.addEventListener("fetch", evt => evt.respondWith(
+  fetch(evt.request).catch(() => caches.match(evt.request))
+));*/