docs: create README and update project configuration

- Add comprehensive README with project overview, features, and roadmap
- Update VSCode settings with new dictionary words
- Modify language switcher, mobile header, and theme toggle components
- Adjust layout and global styles
- Add language attribute to markdown example post

src/styles/global.css

@@ -16,9 +16,9 @@ body {
   --at-apply: 'ios-flash-fix';
 }
 
-article img {
+/* article img {
   --at-apply: 'cursor-zoom-in force-gpu';
-}
+} */
 
 /* Horizontal reveal animation during theme switching */
 ::view-transition-new(theme-transition) {