docs: link fixes and cleanup

README.md

@@ -3,7 +3,6 @@
 > “[One] who works with the door open gets all kinds of interruptions, but [they] also occasionally gets clues as to what the world is and what might be important.” — Richard Hamming
 
 Quartz is a set of tools that helps you publish your [digital garden](https://jzhao.xyz/posts/networked-thought) and notes as a website for free.
-Quartz v4 features a from-the-ground rewrite focusing on end-user extensibility and ease-of-use.
 
 🔗 Read the documentation and get started: https://quartz.jzhao.xyz/
 

docs/features/Docker Support.md

@@ -5,3 +5,7 @@ You can run the below one-liner to run Quartz in Docker.
 ```sh
 docker run --rm -itp 8080:8080 -p 3001:3001 -v ./content:/usr/src/app/content $(docker build -q .)
 ```
+
+> [!warning] Not to be used for production
+> Serve mode is intended for local previews only.
+> For production workloads, see the page on [[hosting]].

docs/features/popover previews.md

@@ -8,7 +8,7 @@ By default, Quartz only fetches previews for pages inside your vault due to [COR
 
 When [[creating components|creating your own components]], you can include this `popover-hint` class to also include it in the popover.
 
-Similar to Obsidian, [[quartz layout.png|images referenced using wikilinks]] can also be viewed as popups.
+Similar to Obsidian, [[quartz-layout-desktop.png|images referenced using wikilinks]] can also be viewed as popups.
 
 ## Configuration