add CHANGELOG, docs

.changelog/1878.txt

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+```release-note:new-resource
+cloudflare_url_normalization_settings
+```

docs/resources/url_normalization_settings.md

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+---
+page_title: "cloudflare_url_normalization_settings Resource - Cloudflare"
+subcategory: ""
+description: |-
+  Provides a resource to manage URL Normalization Settings.
+---
+
+# cloudflare_url_normalization_settings (Resource)
+
+Provides a resource to manage URL Normalization Settings.
+
+## Example Usage
+
+```terraform
+resource "cloudflare_url_normalization_settings" "example" {
+  zone_id = "0da42c8d2132a9ddaf714f9e7c920711"
+  type    = "cloudflare"
+  scope   = "incoming"
+}
+```
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `scope` (String) The scope of the URL normalization.
+- `type` (String) The type of URL normalization performed by Cloudflare.
+- `zone_id` (String) The zone identifier to target for the resource.
+
+### Read-Only
+
+- `id` (String) The ID of this resource.
+
+