Simplify TB token experience

- Unfortunately the TB CLI doesn't just output the token and instead
  tries to copy it to the clipboard
- Since we're running inside a container we can't do that, so need to
  just update the docs to get it from the UI

tinybird/handleLogin.sh

@@ -1,5 +1,17 @@
 #!/usr/bin/env bash
 
+# If arguments are provided, run tb command with those arguments
+if [[ $# -gt 0 ]]; then
+    # Check if logged in first
+    if [[ ! -f "/home/tinybird/.tinyb" ]]; then
+        echo "Not logged in to Tinybird. Please run 'docker compose run --rm tinybird-login' first"
+        exit 1
+    fi
+    # Run the tb command with provided arguments
+    exec tb "$@"
+fi
+
+# Default behavior: login
 # Check if already logged in
 if [[ -f "/home/tinybird/.tinyb" ]]
 then