Some more work done for Redactor 3

Author: Mark-H

en/04_Redactor/02_v3.x/02_Configuration_Sets.md

@@ -49,3 +49,11 @@ To learn how to configure what set to use in different places, see:
 - [Template variables](Usage/Template_Variables)
 - [ContentBlocks fields](Usage/ContentBlocks)
 - [Third-party extra](Usage/Third_Party_Extras)
+
+## Custom Preview Contents
+
+By default the configurator shows some dummy text. Some lorum ipsum, an image, some links and various formatting. 
+
+If you'd rather use custom content for the preview (for example to showcase custom styles or other elements), you can do so by creating a chunk.
+
+Create a chunk named `redactor_configurator_preview`, and provide your content. Refresh the configurator. 

en/04_Redactor/02_v3.x/Features/Source.md

@@ -7,3 +7,9 @@ To enable it, make sure "Allow Source Mode" is enabled in the Source section of
 ## Syntax highlighting
 
 If desired, you can enable CodeMirror syntax highlighting for easier use of the source. Under the "Source" section of the configurator, make sure "Enable CodeMirror" is enabled.
+
+## Beautifying source code
+
+By enabling _Beautify source code_ in the Source section, the markup can be reformatted for you, adding the proper indentation and newlines and such. This uses [js-beautify](https://github.com/beautify-web/js-beautify). 
+
+Beautifying the markup will happen at most once every 3 seconds while editing content. It can also be forced by toggling the source view. If you're experiencing performance issues on large pages, please contact support.

en/04_Redactor/02_v3.x/Themes/index.md

@@ -18,12 +18,20 @@ The redactor2 theme mimics the styling from Redactor 2.x. It's not an exact matc
 
 ![Redactor 2 inspired theme for Redactor 3](redactor2.jpg)
 
+### minimal
+
+The minimal theme provides a flat toolbar without shadows or rounded borders. Taken some inspiration from TinyMCE. 
+
+![Minimal theme for Redactor](minimal.jpg)
+
 ### dark
 
 The dark theme inverses the color while using a blue for headers and links. 
 
 ![Dark theme for Redactor 3](dark.jpg)
 
+Note that a dynamic dark mode is also available for most themes; add the `toggledark` button to your toolbar configuration to use it. More on that below.
+
 ### pride
 
 Looking to spread some _love is love_? The pride theme splashes a rainbows on your toolbar. (Unicorns are still awaiting delivery.)
@@ -42,13 +50,13 @@ Aside from the Dark theme, shown before, you can also use a dynamic dark mode. T
 
 To use it, add `toggledark` to your Toolbar Buttons in the configurator. Then find the toggle button in the toolbar.
 
-The dark mode works best with the `default`, `redactor2`, and `pride` themes. Shown below is the toggling in action with the redactor2 theme.
+The dark mode works best with the `default`, `redactor2` and `minimal` themes. Shown below is the toggling in action with the redactor2 theme.
 
 <video width="500" height="163" autoplay="autoplay" muted loop playsinline poster="../images/darkmode.jpg" src="../images/darkmode.mp4" type="video/mp4">
 <img src="../images/darkmode.gif" alt="Toggling dark mode">
 </video>
 
-When toggling the default theme, that switches to the dark theme. The redactor2 and pride themes have different dark toolbar styles. 
+When toggling the default theme, that switches to the dark theme. The other themes have their own dark styles which may be slightly different.
 
 Toggling the dark theme does not have any effect.