docs: remove old CLI first (#5163)

cli/README.md

@@ -1,51 +1,6 @@
 A command-line interface for interfacing with the self-hosted photo manager [Immich](https://immich.app/).
 
-# Installing
-
-To use the cli, run
-
-    $ npm install @immich/cli
-
-# Usage
-
-To use the CLI, you need to login with an API key first:
-
-    $ immich login-key https://your-immich-instance/api your-api-key
-
-NOTE: This will store your api key in cleartext under ~/.config/immich/auth.yml
-
-Next, you can run commands, for example:
-
-    $ immich server-info
-
-When you're done, log out to remove the credentials from your filesystem
-
-    $ immich logout
-
-# Commands
-
-```
-Usage: immich [options] [command]
-
-Immich command line interface
-
-Options:
-  -h, --help                        display help for command
-
-Commands:
-  upload [options] [paths...]       Upload assets
-  server-info                       Display server information
-  login-key [instanceUrl] [apiKey]  Login using an API key
-  logout                            Remove stored credentials
-  help [command]                    display help for command
-```
-
-# Todo
-
-- Sidecar should check both .jpg.xmp and .xmp
-- Sidecar check could be case-insensitive
-- Use the SDK for all api calls. We currently use raw axos http calls
-- Use list of supported files from server via api
+Please see the [Immich CLI documentation](https://immich.app/docs/features/command-line-interface).
 
 # For developers