Add missing documentation for Page component props

Author: wojtekmaj

README.md

@@ -213,7 +213,10 @@ Displays a page. Must be placed inside `<Document />` or have `pdf` prop passed,
 |----|----|----|
 |className|Defines custom class name(s), that will be added to rendered element along with the default `react-pdf__Page`.|<ul><li>String:<br />`"custom-class-name-1 custom-class-name-2"`</li><li>Array of strings:<br />`["custom-class-name-1", "custom-class-name-2"]`</li></ul>|
 |customTextRenderer|A function that customizes how a text layer is rendered. Passes itext item and index for item.|`({ str, itemIndex }) => { return (<mark>{str}</mark>) }`|
+|error|Defines what the component should display in case of an error. Defaults to "Failed to load the page.".|<ul><li>String:<br />`"An error occurred!"`</li><li>React element:<br />`<div>An error occurred!</div>`</li><li>Function:<br />`this.renderError()`</li></ul>|
 |inputRef|A function that behaves like ref, but it's passed to main `<div>` rendered by `<Page>` component.|`(ref) => { this.myPage = ref; }`|
+|loading|Defines what the component should display while loading. Defaults to "Loading page…".|<ul><li>String:<br />`"Please wait!"`</li><li>React element:<br />`<div>Please wait!</div>`</li><li>Function:<br />`this.renderLoader()`</li></ul>|
+|noData|Defines what the component should display in case of no data. Defaults to "No page specified.".|<ul><li>String:<br />`"Please select a page."`</li><li>React element:<br />`<div>Please select a page.</div>`</li><li>Function:<br />`this.renderNoData()`</li></ul>|
 |onLoadError|Function called in case of an error while loading the page.|`(error) => alert('Error while loading page! ' + error.message)`|
 |onLoadSuccess|Function called when the page is successfully loaded.|`(page) => alert('Now displaying a page number ' + page.pageNumber + '!')`|
 |onRenderError|Function called in case of an error while rendering the page.|`(error) => alert('Error while loading page! ' + error.message)`|