fix: readme format

README.md

@@ -89,6 +89,7 @@ require('lualine').setup {
     theme = 'embark',
   }
 }
+```
 
 ### User configuration
 
@@ -103,7 +104,6 @@ require('lualine').setup {
   end
 
 ```
-```
 
 
 ### Todo