Add common issues documentation for Linux, MacOS, and Windows users

- Created a new Linux documentation page detailing common issues and solutions, including Wayland support and focus prevention in KDE Plasma.
- Added a MacOS documentation page addressing the "clippy" app quarantine issue with a solution command.
- Established a Windows documentation page summarizing support status for Windows 7/8, 10, and 11.

Author: 0-don

README.md

@@ -116,7 +116,10 @@ Before you begin, ensure you have met the following requirements:
 
 - Linux(x11) KDE Plasma (Disable Focus Stealing Prevention)
 - Windows
-- Mac (hotkeys needs to be changed in settings)
+- Mac (run command below to remove quarantine attribute)
+```bash
+xattr -r -d com.apple.quarantine /Applications/clippy.app
+```
 
 <!-- DEBIAN GNOME X11 -->
 <!-- su - -->

docs/astro.config.mjs

@@ -22,6 +22,14 @@ export default defineConfig({
           items: [
             // Each item here is one entry in the navigation menu.
             { label: "Installation Guide", slug: "guides/installation" },
+            {
+              label: "Common Issues",
+              items: [
+                { label: "Linux", slug: "common-issues/linux" },
+                { label: "Windows", slug: "common-issues/windows" },
+                { label: "MacOS", slug: "common-issues/macos" },
+              ],
+            },
             {
               label: "Features",
               items: [