Writes a set of HTML files with tabbed navigation between them. Called by
plot_wham_output if `out.type = 'html'` (default). Opens main file in
default browser. Modified from [`r4ss::SS_html`](https://github.com/r4ss/r4ss/blob/master/R/SS_html.R).
Arguments
- dir.main
directory to save html file (
plot_wham_outputmakes `.png` plot files in a `plots_png` subdirectory of `dir.main`).- title
Title for HTML page.
- width
Width of plots (in pixels).
- openfile
Automatically open index.html in default browser?
See also
plot_wham_output, `r4ss::SS_html()`