gtExtras 0.4.1

• Add explicit height argument to gt_fa_column()
• Add get_row_index() to assist in applying styles to specific rows visually
• Refactor last_row_id() to use get_row_index() internally.
• Refactor gt_index() to respect multiple groups - closes Issue #58 - thanks @jmbarbone !
• Refactor tab_style_by_grp() to respect multiple groups
• Add NA handling to gt_plt_conf_int() - closes #52
• Update readme content to reflect latest documentation
• Remove use_paletteer argument from documentation (inline operation in function)
• Convert &nbsp to   in fmt_symbol_first() and fmt_pad_num(), convert tests to match
• Update documentation for gt_img_circle()
• Add gt_theme_pff() for Pro Football Focus style tables
• Add a "pff" palette option to gt_color_box()
• Add new arguments to gt_merge_stack() per issue 53
• Bulk update of examples sections and updated images
• Remove background color from label in gt_plt_conf_int() - closes #54
• Add gt_index() to internals of gt_merge_stack() to prevent incorrect arrangement when grouping data - closes issue #55
• Corrected gt_plt_sparkline() where in some cases inline plots weren't respecting shared limits.

Initial CRAN release