Make assets unique (#518)

* Make all assets unique

All CSS and JavaScript files have unique names now. I also moved the
login to the /login path in order to ensure the HTML for each page is
also unique.

* Explicitly include assets to cache

packages/app/browser/src/app.ts

@@ -28,7 +28,9 @@ if (!form) {
 
 form.addEventListener("submit", (e) => {
 	e.preventDefault();
-	document.cookie = `password=${password.value}`;
+	document.cookie = `password=${password.value}; `
+		+ `path=${location.pathname.replace(/\/login\/?$/, "/")}; `
+		+ `domain=${location.hostname}`;
 	location.reload();
 });