Create a Bootstrap pageSource:
The contents of the document body.
The browser window title (defaults to the host URL of the page)
One of the following:
NULL(the default), which implies a "stock" build of Bootstrap 3.
bslib::bs_theme()object. This can be used to replace a stock build of Bootstrap 3 with a customized version of Bootstrap 3 or higher.
A character string pointing to an alternative Bootstrap stylesheet (normally a css file within the www directory, e.g.
ISO 639-1 language code for the HTML page, such as "en" or "ko". This will be used as the lang in the
<html>tag, as in
<html lang="en">. The default (NULL) results in an empty string.
A UI definition that can be passed to the shinyUI function.
This function is primarily intended for users who are proficient in HTML/CSS,
and know how to lay out pages in Bootstrap. Most applications should use
fluidPage() along with layout functions like
basicPage function is deprecated, you should use the
fluidPage() function instead.