Add documentation for the security label resource

Author: Piet Schrijver

website/docs/r/postgresql_security_label.html.markdown

@@ -0,0 +1,38 @@
+---
+layout: "postgresql"
+page_title: "PostgreSQL: postgresql_grant"
+sidebar_current: "docs-postgresql-resource-postgresql_grant"
+description: |-
+  Creates and manages privileges given to a user for a database schema.
+---
+
+# postgresql\_security\_label
+
+The ``postgresql_security_label`` resource creates and manages security labels.
+
+See [PostgreSQL documentation](https://www.postgresql.org/docs/current/sql-security-label.html)
+
+~> **Note:** This resource needs Postgresql version 11 or above.
+
+## Usage
+
+```hcl
+resource "postgresql_role" "my_role" {
+  name  = "my_role"
+  login = true
+}
+
+resource "postgresql_security_label" "workload" {
+  object_type    = "role"
+  object_name    = postgresql_role.my_role.name
+  label_provider = "pgaadauth"
+  label          = "aadauth,oid=00000000-0000-0000-0000-000000000000,type=service"
+}
+```
+
+## Argument Reference
+
+* `object_type` - (Required) The PostgreSQL object type to apply this security label to.
+* `object_name` - (Required) The name of the object to be labeled. Names of objects that reside in schemas (tables, functions, etc.) can be schema-qualified.
+* `label_provider` - (Required) The name of the provider with which this label is to be associated.
+* `label` - (Required) The value of the security label.

website/postgresql.erb

@@ -52,6 +52,9 @@
                     <li<%= sidebar_current("docs-postgresql-resource-postgresql_user_mapping") %>>
                         <a href="/docs/providers/postgresql/r/postgresql_user_mapping.html">postgresql_user_mapping</a>
                     </li>
+                    <li<%= sidebar_current("docs-postgresql-resource-postgresql_security_label") %>>
+                        <a href="/docs/providers/postgresql/r/postgresql_security_label.html">postgresql_security_label</a>
+                    </li>
                 </ul>
         </li>