feat: enhance about us and footer CMS admin panels

- Improve aboutUs controller with better field handling
- Update footer controller with expanded content management
- Refine about admin view templates
- Update appointment and footer admin views
- Add about contract repair migration script
- Update about.json seed data

public/js/admin-form-helpers.js

@@ -455,7 +455,7 @@
   function getCounterHost(input) {
     return (
       input.closest(".input-group") ||
-      input.closest(".col-md-12, .col-md-9, .col-md-6, .col-md-4, .col-md-3, .col-lg-12, .col-lg-8, .col-lg-6, .col-lg-4, .col-12") ||
+      input.closest(".col, [class^='col-'], [class*=' col-']") ||
       input.parentElement ||
       input
     );
@@ -486,7 +486,13 @@
     counter.className = "form-text admin-field-counter";
     counter.dataset.counterFor = counterToken;
     counter.setAttribute("aria-live", "polite");
-    host.insertAdjacentElement("afterend", counter);
+
+    if (host.classList?.contains("input-group")) {
+      host.insertAdjacentElement("afterend", counter);
+    } else {
+      host.appendChild(counter);
+    }
+
     return counter;
   }