Added/updated snippets for docs (#2318)

docs/doc_examples/bf8680d940c84e43a9483a25548dea57.asciidoc

@@ -0,0 +1,59 @@
+// 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.indices.create({
+  index: "my-index-000001",
+  settings: {
+    analysis: {
+      filter: {
+        autocomplete_filter: {
+          type: "edge_ngram",
+          min_gram: 1,
+          max_gram: 20,
+        },
+      },
+      analyzer: {
+        autocomplete: {
+          type: "custom",
+          tokenizer: "standard",
+          filter: ["lowercase", "autocomplete_filter"],
+        },
+      },
+    },
+  },
+  mappings: {
+    properties: {
+      text: {
+        type: "text",
+        analyzer: "autocomplete",
+        search_analyzer: "standard",
+      },
+    },
+  },
+});
+console.log(response);
+
+const response1 = await client.index({
+  index: "my-index-000001",
+  id: 1,
+  document: {
+    text: "Quick Brown Fox",
+  },
+});
+console.log(response1);
+
+const response2 = await client.search({
+  index: "my-index-000001",
+  query: {
+    match: {
+      text: {
+        query: "Quick Br",
+        operator: "and",
+      },
+    },
+  },
+});
+console.log(response2);
+----