feat: add centers action (attach meeting) (#1097)

Fixes: #1096

src/app/centers/centers-view/centers-view.component.scss

@@ -21,6 +21,18 @@
         border-radius: 20px;
       }
     }
+    .center-meeting {
+      align-self: flex-end;
+      width: 300px;
+      height: 140px;
+      div, ng-template > div {
+        background-color: #0a6aac;
+        p {
+          color: white;
+          padding: 0 10px;
+        }
+      }
+    }
     .center-actions {
       align-self: flex-end;
       margin: 0 1%;