How to: Built-in keybindings (all customizable)
set -g @powerkit_options_key "C-e"          # View all options
set -g @powerkit_keybindings_key "C-y"      # View keybindings
set -g @powerkit_theme_selector_key "C-r"   # Theme selector
set -g @powerkit_cache_clear_key "C-d"      # Clear cache