README rewritten to lead with the push-to-talk setup script as
the main feature, with the full OpenWhispr installer demoted to
an optional collapsed section. Documents known Linux bugs in
OpenWhispr (Hold mode, Ctrl+Super, settings persistence).
CHANGELOG updated with v1.1.0 entry.
https://claude.ai/code/session_01XKYC1basxdwtHy71tky7xm