[DOCS] Update README.md

README.md

@@ -1,5 +1,7 @@
 # Feed Display
 
+## What does it do?
+
 The aim of this extension is to provide a way to display RSS and Atom web
 feed data retrieved from any URL in the frontend. It is possible to configure
 which data is to be read from the feed for the purpose of display.
@@ -12,4 +14,62 @@ so that the feed does not have to be parsed with each call. If something has
 changed in the plugin configuration (TypoScript or FlexForm), the cache is
 renewed immediately, otherwise only after a configurable time has elapsed.
 
-For more information, see the documentation at [docs.typo3.org](https://docs.typo3.org/p/erhaweb/feed-display/1.2/en-us/).
+## Screenshots
+
+Here you can find screenshots of all application areas of this extension.
+
+### Frontend View
+
+Below you can find an example of the frontend output of the official TYPO3
+news feed. Styling and structure can be customized as you like.
+
+![Frontend View](Documentation/Images/FrontendView.png)
+
+### New Content Element Wizard
+
+![New Content Element Wizard](Documentation/Images/NewContentElementWizard.png)
+
+### Plugin Settings
+
+Below you can find screenshots of all available plugin options. Use these
+options if you want to make settings on content element level.
+Alternatively, these can also be configured by TypoScript Constants in the
+constant editor.
+
+#### General
+
+![Plugin Options: General Tab](Documentation/Images/PluginOptions-General.png)
+
+#### Advanced
+
+![Plugin Options: Advanced Tab](Documentation/Images/PluginOptions-Advanced.png)
+
+#### Get Fields
+
+![Plugin Options: Get Fields Tab](Documentation/Images/PluginOptions-GetFields.png)
+
+### Constant Editor
+
+Below you can find screenshots of all available constants in the constant
+editor. Use these options if you want to make settings on a global level for
+all content elements.
+
+#### Files
+
+![Plugin Options: General Tab](Documentation/Images/ConstantEditor-Files.png)
+
+#### General
+
+![Plugin Options: General Tab](Documentation/Images/ConstantEditor-General.png)
+
+#### Advanced
+
+![Plugin Options: General Tab](Documentation/Images/ConstantEditor-Advanced.png)
+
+#### Get Fields
+
+![Plugin Options: General Tab](Documentation/Images/ConstantEditor-GetFields.png)
+
+## Read more
+
+For more information, see the documentation at [docs.typo3.org](https://docs.typo3.org/p/erhaweb/feed-display/main/en-us/).