gcloud-info: new page (#11690)

pages/common/gcloud-info.md

@@ -0,0 +1,16 @@
+# gcloud info
+
+> Display information about the current `gcloud` environment.
+> More information: <https://cloud.google.com/sdk/gcloud/reference/topic/info>.
+
+- Display `gcloud` environment information:
+
+`gcloud info`
+
+- Check network connectivity and hidden properties:
+
+`gcloud info --run-diagnostics`
+
+- Print the contents of the most recent log file:
+
+`gcloud info --show-log`