feat: Added UI functions related to data-flow knowledge base #3221 (#10038)

### What problem does this PR solve?

feat: Added UI functions related to data-flow knowledge base #3221

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/dataflow-result/components/chunk-card/index.less

@@ -0,0 +1,36 @@
+.image {
+  width: 100px !important;
+  object-fit: contain;
+}
+
+.imagePreview {
+  max-width: 50vw;
+  max-height: 50vh;
+  object-fit: contain;
+}
+
+.content {
+  flex: 1;
+  .chunkText;
+}
+
+.contentEllipsis {
+  .multipleLineEllipsis(3);
+}
+
+.contentText {
+  word-break: break-all !important;
+}
+
+.chunkCard {
+  width: 100%;
+  padding: 18px 10px;
+}
+
+.cardSelected {
+  background-color: @selectedBackgroundColor;
+}
+
+.cardSelectedDark {
+  background-color: #ffffff2f;
+}