message: Fix configuration file documentation
diff: # Window title
  #title: Alacritty
  + # Allow terminal applications to change Alacritty's window title.
  + #dynamic_title: true
  +
  # Window class (Linux/BSD only):
  #class:
  # Application instance name
  # Search colors
  #
  # Colors used for the search bar and match highlighting.
  - #
  + #search:
  # Allowed values are CellForeground and CellBackground, which reference the
  # affected cell, or hexadecimal colors like #ff00ff.
  - #search:
  #matches:
  # foreground: '#000000'
  # background: '#ffffff'
  - #
  +
  #bar:
  - # background: CellForeground
  - # foreground: CellBackground
  + # background: '#c5c8c6'
  + # foreground: '#1d1f21'
  # Normal colors
  #normal:
  # When set to `true`, selected text will be copied to the primary clipboard.
  #save_to_clipboard: false
  -# Allow terminal applications to change Alacritty's window title.
  -#dynamic_title: true
  -
  #cursor:
  # Cursor style
  #
  