Added/updated snippets for docs (#2318)

docs/doc_examples/20407c847adb8393ce41dc656384afc4.asciidoc

@@ -0,0 +1,32 @@
+// This file is autogenerated, DO NOT EDIT
+// Use `node scripts/generate-docs-examples.js` to generate the docs examples
+
+[source, js]
+----
+const response = await client.search({
+  index: "passage_vectors",
+  fields: ["creation_time", "full_text"],
+  _source: false,
+  knn: {
+    query_vector: [0.45, 45],
+    field: "paragraph.vector",
+    k: 2,
+    num_candidates: 2,
+    filter: {
+      bool: {
+        filter: [
+          {
+            range: {
+              creation_time: {
+                gte: "2019-05-01",
+                lte: "2019-05-05",
+              },
+            },
+          },
+        ],
+      },
+    },
+  },
+});
+console.log(response);
+----