add correct package file docs (see r-lib/roxygen2#1491)

DESCRIPTION

@@ -14,7 +14,7 @@ Description: When a 'Shiny' output (such as a plot, table, map, etc.) is recalcu
     a full-page spinner to cover the entire page.
     See the demo online at <https://daattali.com/shiny/shinycssloaders-demo/>.
 License: MIT + file LICENSE
-URL: https://github.com/daattali/shinycssloaders
+URL: https://github.com/daattali/shinycssloaders, https://daattali.com/shiny/shinycssloaders-demo/
 BugReports: https://github.com/daattali/shinycssloaders/issues
 Depends:
     R (>= 3.1)

R/shinycssloaders-package.r

@@ -1,12 +1,2 @@
-#' shinycssloaders
-#'
-#' Add automatic loading animations to your Shiny outputs (e.g. plots, tables) by adding a single function call 
-#' around the Shiny output function. Animations automatically show/hide when the output 
-#' is recalculating/recalculated. You can use your own custom image, or choose from 8 different types of 
-#' built-in animations, as well customize the color and size of the built-in animations.
-#' 
-#' For further reference on how to use the package, please refer to \url{https://github.com/daattali/shinycssloaders}
-#' 
-#' @name shinycssloaders
-#' @docType package
-NULL
+#' @keywords internal
+"_PACKAGE"