Update GeoIntel project files

public/sw.js

@@ -0,0 +1,58 @@
+/* global self, caches, fetch, URL */
+
+const CACHE = "dockdeck-shell-v1";
+const SHELL = ["/", "/manifest.webmanifest", "/dockdeck-icon.svg"];
+
+self.addEventListener("install", (event) => {
+  event.waitUntil(caches.open(CACHE).then((cache) => cache.addAll(SHELL)));
+  self.skipWaiting();
+});
+
+self.addEventListener("activate", (event) => {
+  event.waitUntil(
+    caches
+      .keys()
+      .then((keys) =>
+        Promise.all(
+          keys.filter((key) => key !== CACHE).map((key) => caches.delete(key)),
+        ),
+      ),
+  );
+  self.clients.claim();
+});
+
+self.addEventListener("fetch", (event) => {
+  const request = event.request;
+  const url = new URL(request.url);
+  if (
+    request.method !== "GET" ||
+    url.origin !== self.location.origin ||
+    url.pathname.startsWith("/api/")
+  )
+    return;
+  if (request.mode === "navigate") {
+    event.respondWith(
+      fetch(request)
+        .then((response) => {
+          const copy = response.clone();
+          caches.open(CACHE).then((cache) => cache.put("/", copy));
+          return response;
+        })
+        .catch(() => caches.match("/")),
+    );
+    return;
+  }
+  event.respondWith(
+    caches.match(request).then(
+      (cached) =>
+        cached ||
+        fetch(request).then((response) => {
+          if (response.ok)
+            caches
+              .open(CACHE)
+              .then((cache) => cache.put(request, response.clone()));
+          return response;
+        }),
+    ),
+  );
+});