style(demo): local realtime links

demo/README.md

@@ -10,9 +10,10 @@ npm install
 npm run start
 ```
 
-##   Installation
+## Installation
 
-> [!NOTE] This demo app uses both the `ably-chat-js` core SDK and associated React hooks.
+> [!NOTE]
+> This demo app uses both the `ably-chat-js` core SDK and associated React hooks.
 > This is accessible via `@ably/chat`.
 
 1. First of all, you need to build the main Chat SDK and associated React hooks from the root directory (`(cd .. && npm run build)`).
@@ -23,12 +24,12 @@ npm run start
 1. Copy `.env.example` to `.env.` and set the `VITE_ABLY_CHAT_API_KEY` to your Ably API key.
 2. If you're using a custom Ably domain, also set the `VITE_ABLY_HOST` to your custom domain.
 
-For Ably: if running local realtime, see `src/main.tsx`.
+For Ably: if running local realtime, see [`src/main.tsx`](./src/main.tsx).
 
 ## Running
 
 Run `npm run start`, and it will automatically open your browser on port 8888.
 
 Use `npm run start-silent` if you'd rather not have your browser open automatically.
 
-`npm run start` (and the `start-silent` version) will run both the API component for generating tokens and the front-end side. If you'd like to only run the front-end site use `npm run dev`.
+`npm run start` (and the `start-silent` version) will run both the API component for generating tokens and the front-end side. If you'd like to only run the front-end site use `npm run dev`.