REDdeck 0.26.3

• Deploy and Undo deploy check that the game is closed. Cyberpunk 2077 keeps mod files open while it runs, so Windows refused to replace or delete them and a deploy stopped partway with an EPERM error. REDdeck now says the game is running and waits for "The game is closed now"; the command line refuses with the same reason.
• A file in use is explained. If a file in the game folder is still locked during a deploy (another program holding it), the message names the file, says to close what has it open, and that what was done so far is kept.