Implement unifi_setting_mgmt resource

docs/resources/setting_mgmt.md

@@ -0,0 +1,38 @@
+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "unifi_setting_mgmt Resource - terraform-provider-unifi"
+subcategory: ""
+description: |-
+  unifi_setting_mgmt manages settings for a unifi site.
+---
+
+# unifi_setting_mgmt (Resource)
+
+`unifi_setting_mgmt` manages settings for a unifi site.
+
+## Example Usage
+
+```terraform
+resource "unifi_site" "example" {
+  description = "example"
+}
+
+resource "unifi_setting_mgmt" "example" {
+  site         = unifi_site.example.name
+  auto_upgrade = true
+}
+```
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Optional
+
+- **auto_upgrade** (Boolean) Automatically upgrade device firmware.
+- **site** (String) The name of the site to associate the settings with.
+
+### Read-Only
+
+- **id** (String) The ID of the settings.
+
+