gcloud-*: add pages (#11625)

* gcloud-*: add pages

---------

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>

pages/common/gcloud-config.md

@@ -0,0 +1,29 @@
+# gcloud config
+
+> Manage different configurations of `gcloud`.
+> See also: `gcloud`.
+> More information: <https://cloud.google.com/sdk/gcloud/reference/config>.
+
+- Define a property (like compute/zone) for the current configuration:
+
+`gcloud config set {{property}} {{value}}`
+
+- Fetch the value of a `gcloud` property:
+
+`gcloud config get {{property}}`
+
+- Display all the properties for the current configuration:
+
+`gcloud config list`
+
+- Create a new configuration with a given name:
+
+`gcloud config configurations create {{configuration_name}}`
+
+- Display a list of all available configurations:
+
+`gcloud config configurations list`
+
+- Switch to an existing configuration with a given name:
+
+`gcloud config configurations activate {{configuration_name}}`