Bookends v1.4.0

New feature

• Truncation priority setting — new "Prioritise left/right and truncate long center text" toggle in the Defaults submenu. When enabled, side positions keep their full width and center text is truncated to fit the remaining space. Useful for layouts like clock | author - title | battery (#3)

Bug fix

• Fix crash when long center text squeezes side positions to zero width (#3)