docs: add knot list disclaimer

README.md

···
-# KnotView
-
-A lightweight web-based browser for exploring Git repositories hosted on KnotServer instances.
-
-Selfhost it, or use the hosted version at [`knotview.srv.rbrt.fr`](https://knotview.srv.rbrt.fr)
-
-## License
-
-[MIT](license)

app.js

···
 document.addEventListener("alpine:init", () => {
   Alpine.data("app", () => ({
     // State
-    serverUrl: window.location.origin,
+    serverUrl: "https://knot.srv.rbrt.fr",
     isConnected: false,
     status: {
       message: "",

readme.md

···
+# KnotView
+
+A lightweight web-based browser for exploring Git repositories hosted on KnotServer instances.
+
+Selfhost it, or use the hosted version at [`knotview.srv.rbrt.fr`](https://knotview.srv.rbrt.fr)
+
+## Note
+
+Once PR [#903](https://tangled.org/tangled.org/core/pulls/903) is merged in tangled/core, the UX of browsing a knot will be better.
+In the meantime, you need to know the did and the repo name of the repository you want to browse.
+
+## License
+
+[MIT](license)