docs(ax): prefer declarative config literals in examples

Co-Authored-By: Virgil <virgil@lethean.io>

README.md

@@ -32,6 +32,7 @@ func main() {
 			BucketName:   "events",
 		},
 		PurgeInterval: 30 * time.Second,
+		WorkspaceStateDirectory: "/tmp/core-state",
 	})
 	if err != nil {
 		return

doc.go

@@ -16,9 +16,10 @@
 // already available, because it reads as data rather than a sequence of
 // steps. Use `StoreConfig.Normalised()` when you want the default purge
 // interval and workspace state directory filled in before you pass the config
-// onward. Use `store.WithWorkspaceStateDirectory("/tmp/core-state")` only
-// when the workspace path is assembled incrementally rather than declared up
-// front.
+// onward. Include `WorkspaceStateDirectory: "/tmp/core-state"` in the struct
+// literal when the path is known; use `store.WithWorkspaceStateDirectory`
+// only when the workspace path is assembled incrementally rather than
+// declared up front.
 //
 // Usage example:
 //
@@ -31,6 +32,7 @@
 //				BucketName:   "events",
 //			},
 //			PurgeInterval: 20 * time.Millisecond,
+//			WorkspaceStateDirectory: "/tmp/core-state",
 //		})
 //		if err != nil {
 //			return

docs/index.md

@@ -32,6 +32,7 @@ func main() {
     storeInstance, err := store.NewConfigured(store.StoreConfig{
         DatabasePath: "/tmp/app.db",
         PurgeInterval: 30 * time.Second,
+        WorkspaceStateDirectory: "/tmp/core-state",
     })
     if err != nil {
         return