Update common issues documentation for Linux and MacOS

Author: 0-don

docs/src/content/docs/common-issues/linux.md

@@ -7,4 +7,5 @@ Clippy currently doenst support Wayland, only X11
 
 ##### out of focus click doesnt hide the window
 
+set Focus Prevention to "None" in KDE Plasma settings
 ![Linux KDE Plasma Focus Prevention](/common-issues/linux_kde_plasma_focus_prevention.png)

docs/src/content/docs/common-issues/macos.md

@@ -7,6 +7,8 @@ description: Common issues and solutions for MacOS users.
 
 ![Mac Quarantine](/common-issues/mac_quarantine_black.png)
 
+This is a common issue with MacOS. It happens when the app is downloaded from the internet and not from the App Store. To fix this, you need to remove the quarantine attribute from the app.
+
 ```bash
 xattr -r -d com.apple.quarantine /Applications/clippy.app
 ```