docs: add installation example

README.md

@@ -7,12 +7,22 @@ Simple CLI script written in Deno to sync Spotify tracks from a raw text to a Sp
 
 ## Usage
 
-[Install Deno], and run:
+[Install Deno] and install the script with Deno:
 
 [Install Deno]: https://docs.deno.com/runtime/getting_started/installation/
 
 ```bash
-deno run --allow-net jsr:@dirkluijk/text-to-playlist <inputFileOrText> --playlist <playlistUrl>
+deno install jsr:@dirkluijk/text-to-playlist --global
+```
+
+Now just run it:
+```bash
+text-to-playlist <inputFileOrText> --playlist <playlistUrl>
+```
+
+To run the script without installing, run:
+```bash
+deno run jsr:@dirkluijk/text-to-playlist <inputFileOrText> --playlist <playlistUrl>
 ```
 
 ## Options

src/utils/spotify-authorization.ts

@@ -40,6 +40,9 @@ function waitForAuthorization(options: { port: number }): Promise<string> {
 }
 
 export async function retrieveAccessToken(): Promise<string> {
+  // request permissions upfront
+  await Deno.permissions.request({ name: "net", host: '0.0.0.0:8888' });
+
   // ask user authorization
   await open(
     "https://accounts.spotify.com/authorize?" +