feat: fetch conversation and delete chat dialog (#69)

* feat: set chat configuration to backend

* feat: exclude unEnabled variables

* feat: delete chat dialog

* feat: fetch conversation

web/src/pages/chat/index.less

@@ -5,6 +5,10 @@
     width: 288px;
     padding: 26px;
 
+    .chatAppContent {
+      overflow-y: auto;
+    }
+
     .chatAppCard {
       :global(.ant-card-body) {
         padding: 10px;
@@ -15,6 +19,12 @@
         }
       }
     }
+    .chatAppCardSelected {
+      :global(.ant-card-body) {
+        background-color: @gray11;
+        border-radius: 8px;
+      }
+    }
   }
   .chatTitleWrapper {
     width: 220px;
@@ -29,6 +39,19 @@
     padding: 5px 10px;
   }
 
+  .chatTitleCard {
+    :global(.ant-card-body) {
+      padding: 8px;
+    }
+  }
+
+  .chatTitleCardSelected {
+    :global(.ant-card-body) {
+      background-color: @gray11;
+      border-radius: 8px;
+    }
+  }
+
   .divider {
     margin: 0;
     height: 100%;