[Feature]: Add support for double prress

[serejahh]

Problem or use case

Agents (like Siri, Eney or Gemini) toggle their appearance by a double press shortcut.

Eney:

Gemini:

Currently, it's impossible to show such double press shortcuts.

Proposed behavior

Display two keys in a row if they are pressed within a small period of time

Alternatives considered

No response

UI or settings impact

No response

Additional context

No response

[esphynox]

Thanks for suggestion! Let me take a look how feasible is this and report back.