Added spot bucket

src/pages/en/configuration/external-storage.mdx

@@ -16,6 +16,7 @@ You must create the below buckets in your object storage service. Their names ca
 - `openreplay-recordings`: where recordings will be persisted
 - `openreplay-assets`: where assets (such as css and fonts) will be copied
 - `openreplay-sourcemaps`: for storing source maps (see [how to upload them](/installation/upload-sourcemaps))
+- `openreplay-spots`: for storing spot recordings
 
 Once the bucket created: 
 
@@ -55,7 +56,7 @@ Once the bucket created:
 }
 ```
 
-3. Finally, make sure to generate the appropriate access keys to **these 3 buckets only** so OpenReplay backend can programmatically access them to upload files. The required S3 permissions are:
+3. Finally, make sure to generate the appropriate access keys to **these 4 buckets only** so OpenReplay backend can programmatically access them to upload files. The required S3 permissions are:
 
 ```json
 "s3:PutObject",
@@ -80,6 +81,7 @@ Once the bucket created:
 | assetsBucket | The assets' bucket name (i.e. `openreplay-assets`)  |
 | recordingsBucket | The recordings' bucket name (i.e. `openreplay-recordings`) |
 | sourcemapsBucket | The sourcemaps' bucket name (i.e. `openreplay-sourcemaps`) |
+| spotBucket | The spot' bucket name (i.e. `openreplay-spots`) |
 
 2. Save and quit using `:wq` for the changes to take effect