pulumi-refresh: add page (#15814)

pages/common/pulumi-refresh.md

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+# pulumi refresh
+
+> Refresh the resources in a stack.
+> More information: <https://www.pulumi.com/docs/iac/cli/commands/pulumi_refresh/>.
+
+- Compare the current stack's state with the state in the cloud provider and adopt any changes into the current stack:
+
+`pulumi refresh`
+
+- Refresh resources in the current stack and show the operation as a rich diff:
+
+`pulumi refresh --diff`
+
+- Refresh resources in the current stack and return an error if any changes occur during the refresh:
+
+`pulumi refresh --expect-no-changes`
+
+- Only show a preview of the refresh, but don't perform the refresh itself:
+
+`pulumi refresh --preview-only`
+
+- The name of the stack to operate on (defaults to the current stack):
+
+`pulumi refresh --stack {{stack_name}}`
+
+- Display help:
+
+`pulumi refresh --help`