docs: update themes

README.md

@@ -50,9 +50,9 @@ Choose a stunning color and font theme for your site. Themes are fully customiza
 | --- | --- | --- | --- |
 | ![default theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-default.png) | ![ocean theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-ocean.png) | ![forest theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-forest.png) | ![dark theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-dark.png) |
 
-| `apogee` | `1950s` | `coffee` | `cupcake` |
+| `apogee` | `1950s` | `coffee` | `strawberry` |
 | --- | --- | --- | --- |
-| ![apogee theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-apogee.png) | ![1950s theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-1950s.png) | ![coffee theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-coffee-playfair.png) | ![cupcake theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-cupcake.png) |
+| ![apogee theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-apogee.png) | ![1950s theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-1950s.png) | ![coffee theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-coffee-playfair.png) | ![cupcake theme](https://raw.githubusercontent.com/gcushen/hugo-academic/master/images/theme-strawberry.png) |
 
 [Browse more themes...](https://sourcethemes.com/academic/themes/)
 

exampleSite/content/post/getting-started/index.md

@@ -51,8 +51,8 @@ gallery_item:
   caption: Coffee theme with Playfair font
   image: theme-coffee-playfair.png
 - album: gallery
-  caption: Cupcake
-  image: theme-cupcake.png
+  caption: Strawberry
+  image: theme-strawberry.png
 ---
 
 **Create a free website with Academic using Markdown, Jupyter, or RStudio. Choose a beautiful color theme and build anything with the Page Builder - over 40 _widgets_, _themes_, and _language packs_ included!**