Update the "Forbidden usernames" UI (#259)

* Add new component for adding/removing forbidden name strings. Closes https://github.com/owncast/owncast/issues/1230

* make editing string styling shareable and consistent with tag editor

* Prettified Code!

Co-authored-by: gingervitis <omqmail@gmail.com>
Co-authored-by: gingervitis <gingervitis@users.noreply.github.com>

web/styles/config-edit-string-tags.scss

@@ -1,18 +1,18 @@
 // config tags block
 
-.tag-current-tags {
+.edit-current-strings {
   .ant-tag {
-    margin: .1rem;
-    font-size: .85rem;
+    margin: 0.1rem;
+    font-size: 0.85rem;
     border-radius: 10em;
-    padding: .25em 1em;
+    padding: 0.25em 1em;
     &:hover {
       opacity: 1;
     }
 
     .ant-tag-close-icon {
       transform: translateY(-1px);
-      margin-left: .3rem;
+      margin-left: 0.3rem;
       padding: 2px;
       border-radius: 5rem;
       color: var(--black);
@@ -30,7 +30,7 @@
   }
 }
 
-.add-new-tag-section {
+.add-new-string-section {
   display: flex;
   flex-direction: row;
   justify-content: flex-start;