Add log_output configuration with constraints (#946)

* Add log_output configuration with constraints

* Update specification/resources/databases/models/advanced_config/mysql_advanced_config.yml

Co-authored-by: Anna Lushnikova <loosla@users.noreply.github.com>

* Added default value

* added full stop

* Update specification/resources/databases/models/advanced_config/mysql_advanced_config.yml

Co-authored-by: Anna Lushnikova <loosla@users.noreply.github.com>

---------

Co-authored-by: v.sharma <v.sharma@digitalocean.com>
Co-authored-by: Anna Lushnikova <loosla@users.noreply.github.com>

specification/resources/databases/models/advanced_config/mysql_advanced_config.yml

@@ -254,3 +254,14 @@ properties:
     minimum: 1024
     maximum: 1048576
     example: 4096
+  log_output:
+    description: >-
+      Defines the destination for logs. Can be `INSIGHTS`, `TABLE`, or both (`INSIGHTS,TABLE`), or `NONE` to disable logs. To specify both destinations, use `INSIGHTS,TABLE` (order matters). Default is NONE.
+    type: string
+    enum:
+      - INSIGHTS
+      - TABLE
+      - INSIGHTS,TABLE
+      - NONE
+    example: INSIGHTS
+    default: NONE