Readding lines manually

Signed-off-by: Lynette Miles <[email protected]>

Author: esmerel

pipeline/outputs/opentelemetry.md

@@ -32,7 +32,7 @@ Only HTTP endpoints are supported.
 | `logs_observed_timestamp_metadata_key` | Specify an `ObservedTimestamp` key to look up in the metadata. | `$ObservedKey` |
 | `logs_timestamp_metadata_key` | Specify a `Timestamp` key to look up in the metadata.        | `$Timestamp`      |
 | `logs_severity_key_metadata_key`       | Specify a `SeverityText` key to look up in the metadata.     | `$SeverityText`   |
-
+| `logs_severity_number_metadata_key` | Specify a `SeverityNumber` key to look up in the metadata. | `SeverityNumber` |
 
 
 ## Get started