Added readme and renamed bannerDisconnectHandler

.Rbuildignore

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 ^LICENSE\.md$
+^README\.Rmd$

README.Rmd

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+---
+output: github_document
+---
+
+<!-- README.md is generated from README.Rmd. Please edit that file -->
+
+```{r, include = FALSE}
+knitr::opts_chunk$set(
+  collapse = TRUE,
+  comment = "#>",
+  fig.path = "man/figures/README-",
+  out.width = "100%"
+)
+```
+
+# AVSDevR.ShinyDisconnectHandler
+
+<!-- badges: start -->
+<!-- badges: end -->
+
+The goal of AVSDevR.ShinyDisconnectHandler is to provide alternatives to the Shiny default disconnect handler with nicer styling, refresh options and user interaction.
+
+## Installation
+
+You can install the development version of AVSDevR.ShinyDisconnectHandler like so:
+
+``` r
+remotes::install_git("https://git.avsdev.uk/R/AVSDevR.ShinyDisconnectHandler")
+```
+
+## Example
+
+To use a disconnect banner instead of the default disconnect handler:
+
+```{r banner_example, eval = FALSE}
+library(AVSDevR.ShinyDisconnectHandler)
+ui <- shiny::fluidPage(
+  useBannerDisconnectHandler()
+)
+server <- function(...) {
+  stop("This stops the server, disconnecting the client")
+}
+shiny::runApp(shiny::shinyApp(ui, server))
+```

README.md

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+
+<!-- README.md is generated from README.Rmd. Please edit that file -->
+
+# AVSDevR.ShinyDisconnectHandler
+
+<!-- badges: start -->
+<!-- badges: end -->
+
+The goal of AVSDevR.ShinyDisconnectHandler is to provide alternatives to
+the Shiny default disconnect handler with nicer styling, refresh options
+and user interaction.
+
+## Installation
+
+You can install the development version of
+AVSDevR.ShinyDisconnectHandler like so:
+
+``` r
+remotes::install_git("https://git.avsdev.uk/R/AVSDevR.ShinyDisconnectHandler")
+```
+
+## Example
+
+To use a disconnect banner instead of the default disconnect handler:
+
+``` r
+library(AVSDevR.ShinyDisconnectHandler)
+ui <- shiny::fluidPage(
+  useBannerDisconnectHandler()
+)
+server <- function(...) {
+  stop("This stops the server, disconnecting the client")
+}
+shiny::runApp(shiny::shinyApp(ui, server))
+```