Add docs for Nameformat name resolution

Signed-off-by: Jon Menzies-Smith <github@menzies-smith.co.uk>

daprdocs/content/en/reference/components-reference/supported-name-resolution/nr-nameformat.md

@@ -0,0 +1,45 @@
+---
+type: docs
+title: "Nameformat"
+linkTitle: "NameFormat"
+description: Detailed information on the NameFormat name resolution component
+---
+
+
+The Name Format name resolver provides a flexible way to resolve service names using a configurable format string with placeholders. This is useful in scenarios where you want to map service names to predictable DNS names following a specific pattern.
+
+## Configuration Format
+
+To use the Name Format name resolver, create a configuration in your Dapr environment:
+
+```yaml
+apiVersion: dapr.io/v1alpha1
+kind: Configuration
+metadata:
+  name: appconfig
+spec:
+  nameResolution:
+    component: "nameformat"
+    configuration:
+      format: "service-{appid}.default.svc.cluster.local"  # Replace with your desired format pattern
+```
+
+## Configuration Fields
+
+| Field   | Required | Details | Example |
+|---------|----------|---------|---------|
+| format  | Y | The format string to use for name resolution. Must contain the `{appid}` placeholder which will be replaced with the actual service name. | `"service-{appid}.default.svc.cluster.local"` |
+
+## Examples
+
+When configured with `format: "service-{appid}.default.svc.cluster.local"`, the resolver will transform service names as follows:
+
+- Service ID "myapp" → "service-myapp.default.svc.cluster.local"
+- Service ID "frontend" → "service-frontend.default.svc.cluster.local"
+
+
+## Notes
+
+- Empty service IDs are not allowed and will result in an error
+- The format string must be provided in the configuration
+- The format string must contain at least one `{appid}` placeholder