Update docs for v8 (#1572)

docs/examples/search.asciidoc

@@ -18,7 +18,7 @@ async function run () {
   // Let's start by indexing some data
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.'
     }
@@ -26,7 +26,7 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Daenerys Targaryen',
       quote: 'I am the blood of the dragon.'
     }
@@ -38,25 +38,23 @@ async function run () {
     // otherwise we will not get any result
     // in the consequent search
     refresh: true,
-    body: {
+    document: {
       character: 'Tyrion Lannister',
       quote: 'A mind needs books like a sword needs a whetstone.'
     }
   })
 
   // Let's search!
-  const { body } = await client.search({
+  const result = await client.search({
     index: 'game-of-thrones',
-    body: {
-      query: {
-        match: {
-          quote: 'winter'
-        }
+    query: {
+      match: {
+        quote: 'winter'
       }
     }
   })
 
-  console.log(body.hits.hits)
+  console.log(result.hits.hits)
 }
 
 run().catch(console.log)