Add undocumented settings to the Package docs

doc/api/settings.md

@@ -437,6 +437,9 @@ listed in the descriptions of the relevant settings.
 | `throttle_authenticated_api_enabled`     | boolean          | no                                   | (**If enabled, requires:** `throttle_authenticated_api_period_in_seconds` and `throttle_authenticated_api_requests_per_period`) Enable authenticated API request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). |
 | `throttle_authenticated_api_period_in_seconds` | integer    | required by:<br>`throttle_authenticated_api_enabled` | Rate limit period (in seconds). |
 | `throttle_authenticated_api_requests_per_period` | integer  | required by:<br>`throttle_authenticated_api_enabled` | Maximum requests per period per user. |
+| `throttle_authenticated_packages_api_enabled` | boolean     | no | (**If enabled, requires:** `throttle_authenticated_packages_api_period_in_seconds` and `throttle_authenticated_packages_api_requests_per_period`) Enable authenticated API request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). View [Package Registry rate limits](../user/admin_area/settings/package_registry_rate_limits.md) for more details. |
+| `throttle_authenticated_packages_api_period_in_seconds` | integer    | required by:<br>`throttle_authenticated_packages_api_enabled` | Rate limit period (in seconds). View [Package Registry rate limits](../user/admin_area/settings/package_registry_rate_limits.md) for more details. |
+| `throttle_authenticated_packages_api_requests_per_period` | integer    | required by:<br>`throttle_authenticated_packages_api_enabled` | Maximum requests per period per user. View [Package Registry rate limits](../user/admin_area/settings/package_registry_rate_limits.md) for more details. |
 | `throttle_authenticated_web_enabled`     | boolean          | no                                   | (**If enabled, requires:** `throttle_authenticated_web_period_in_seconds` and `throttle_authenticated_web_requests_per_period`) Enable authenticated web request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). |
 | `throttle_authenticated_web_period_in_seconds` | integer    | required by:<br>`throttle_authenticated_web_enabled` | Rate limit period (in seconds). |
 | `throttle_authenticated_web_requests_per_period` | integer  | required by:<br>`throttle_authenticated_web_enabled` | Maximum requests per period per user. |
@@ -446,6 +449,9 @@ listed in the descriptions of the relevant settings.
 | `throttle_unauthenticated_api_enabled`       | boolean          | no                                   | (**If enabled, requires:** `throttle_unauthenticated_api_period_in_seconds` and `throttle_unauthenticated_api_requests_per_period`) Enable unauthenticated API request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). |
 | `throttle_unauthenticated_api_period_in_seconds` | integer      | required by:<br>`throttle_unauthenticated_api_enabled` | Rate limit period in seconds. |
 | `throttle_unauthenticated_api_requests_per_period` | integer    | required by:<br>`throttle_unauthenticated_api_enabled` | Max requests per period per IP. |
+| `throttle_unauthenticated_packages_api_enabled` | boolean     | no | (**If enabled, requires:** `throttle_unauthenticated_packages_api_period_in_seconds` and `throttle_unauthenticated_packages_api_requests_per_period`) Enable authenticated API request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). View [Package Registry rate limits](../user/admin_area/settings/package_registry_rate_limits.md) for more details. |
+| `throttle_unauthenticated_packages_api_period_in_seconds` | integer    | required by:<br>`throttle_unauthenticated_packages_api_enabled` | Rate limit period (in seconds). View [Package Registry rate limits](../user/admin_area/settings/package_registry_rate_limits.md) for more details. |
+| `throttle_unauthenticated_packages_api_requests_per_period` | integer    | required by:<br>`throttle_unauthenticated_packages_api_enabled` | Maximum requests per period per user. View [Package Registry rate limits](../user/admin_area/settings/package_registry_rate_limits.md) for more details. |
 | `throttle_unauthenticated_web_enabled`       | boolean          | no                                   | (**If enabled, requires:** `throttle_unauthenticated_web_period_in_seconds` and `throttle_unauthenticated_web_requests_per_period`) Enable unauthenticated web request rate limit. Helps reduce request volume (for example, from crawlers or abusive bots). |
 | `throttle_unauthenticated_web_period_in_seconds` | integer      | required by:<br>`throttle_unauthenticated_web_enabled` | Rate limit period in seconds. |
 | `throttle_unauthenticated_web_requests_per_period` | integer    | required by:<br>`throttle_unauthenticated_web_enabled` | Max requests per period per IP. |