docs(tracing): Add missing searchable span properties

docs/concepts/search/searchable-properties/spans.mdx

@@ -20,7 +20,7 @@ Below is a list of keys and tokens that can be used in the span search:
 
 ### `action`
 
-The type of span action.
+The type of span action, e.g `SELECT` for a SQL span or `POST` for an HTTP span.
 
 - **Type:** string
 
@@ -48,6 +48,18 @@ Device class is a synthesized field that's calculated by using device info found
 
 - **Type:** string
 
+### `domain`
+
+General scope of the span’s action, i.e. the tables involved in a `db` span or the host name in an `http` span.
+
+- **Type:** string
+
+### `duration`
+
+The total time taken by the span.
+
+- **Type:** duration
+
 ### `environment`
 
 Refers to your code deployment naming convention. For example, `development`, `testing`, `staging` and so on. [Learn more](/product/sentry-basics/environments/). In some pages of [Sentry](https://sentry.io/), you filter on environment using a dropdown.
@@ -60,6 +72,12 @@ The file extension of a resource span.
 
 - **Type:** string
 
+### `group`
+
+Unique hash of the span’s description.
+
+- **Type:** string
+
 ### `http.decoded_response_content_length`
 
 The [decoded body size](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/decodedBodySize) of the resource.
@@ -90,9 +108,15 @@ The unique ID of a message from the queue or messaging system.
 
 - **Type:** string
 
+### `module`
+
+The Insights module that the span is associated with, e.g `cache`, `db`, `http`, etc.
+
+- **Type:** string
+
 ### `op`
 
-Span operation.
+The operation of the span, e.g `http.client`, `middleware`.
 
 - **Type:** string
 
@@ -133,6 +157,16 @@ Version of the Sentry SDK that sent the event.
 
 - **Type:** string
 
+### `self_time`
+
+The duration of the span excluding the duration of its child spans.
+
+- **Type:** string
+
+### `status`
+
+Status of the operation the span represents.
+
 ### `status_code`
 
 The HTTP response status code.