Update codebox (#9430)

* updated the codeboxes in docs

* codebox change from json to http

docs/sources/features/datasources/cloudwatch.md

@@ -50,11 +50,12 @@ Create a file at `~/.aws/credentials`. That is the `HOME` path for user running
 
 Example content:
 
-    [default]
-    aws_access_key_id = asdsadasdasdasd
-    aws_secret_access_key = dasdasdsadasdasdasdsa
-    region = us-west-2
-
+```bash
+[default]
+aws_access_key_id = asdsadasdasdasd
+aws_secret_access_key = dasdasdsadasdasdasdsa
+region = us-west-2
+```
 
 ## Metric Query Editor
 
@@ -117,7 +118,9 @@ Filters syntax:
 
 Example `ec2_instance_attribute()` query
 
-    ec2_instance_attribute(us-east-1, InstanceId, { "tag:Environment": [ "production" ] })
+```javascript
+ec2_instance_attribute(us-east-1, InstanceId, { "tag:Environment": [ "production" ] })
+```
 
 ### Selecting Attributes
 
@@ -156,7 +159,9 @@ Tags can be selected by prepending the tag name with `Tags.`
 
 Example `ec2_instance_attribute()` query
 
-    ec2_instance_attribute(us-east-1, Tags.Name, { "tag:Team": [ "sysops" ] })
+```javascript
+ec2_instance_attribute(us-east-1, Tags.Name, { "tag:Team": [ "sysops" ] })
+```
 
 ## Cost
 

docs/sources/features/datasources/elasticsearch.md

@@ -38,8 +38,10 @@ Proxy access means that the Grafana backend will proxy all requests from the bro
 If you select direct access you must update your Elasticsearch configuration to allow other domains to access
 Elasticsearch from the browser. You do this by specifying these to options in your **elasticsearch.yml** config file.
 
-    http.cors.enabled: true
-    http.cors.allow-origin: "*"
+```bash
+http.cors.enabled: true
+http.cors.allow-origin: "*"
+```
 
 ### Index settings