feat: Add user edit modal and user management pages

- Implemented user edit modal in user_edit.html for editing user details.
- Updated sidebar.html to correctly reflect active states for Users and Settings.
- Created table-07.html for displaying user data in a structured format.
- Added settings.html for managing email content and configurations.
- Developed users.html for listing all users with functionality to add and edit users.

front/style.css

@@ -551,9 +551,6 @@ svg{-ms-touch-action:none;touch-action:none}image,text,.jvm-zoomin,.jvm-zoomout{
   .-mt-0\.5 {
     margin-top: calc(var(--spacing) * -0.5);
   }
-  .mt-0\.5 {
-    margin-top: calc(var(--spacing) * 0.5);
-  }
   .mt-1 {
     margin-top: calc(var(--spacing) * 1);
   }