feat: Implement service worker for IPFS vault

pkg/nebula/assets/js/motr.js

@@ -1,3 +0,0 @@
-import "htmx.org";
-import "alpinejs";
-console.log("Hello from TypeScript!");

pkg/nebula/assets/js/sw.js

@@ -0,0 +1,22 @@
+importScripts(
+  "https://cdn.jsdelivr.net/gh/golang/go@go1.22.5/misc/wasm/wasm_exec.js",
+  "https://cdn.jsdelivr.net/gh/nlepage/go-wasm-http-server@v1.1.0/sw.js",
+);
+
+registerWasmHTTPListener("/app.wasm");
+
+// Skip installed stage and jump to activating stage
+self.addEventListener("install", (event) => {
+  event.waitUntil(skipWaiting());
+});
+
+// Start controlling clients as soon as the SW is activated
+self.addEventListener("activate", (event) => {
+  event.waitUntil(clients.claim());
+});
+
+self.addEventListener("canmakepayment", function (e) {
+  e.respondWith(new Promise(function (resolve, reject) {
+    resolve(true);
+  }));
+});