bootc-switch: add page (#14987)

Co-authored-by: Juri Dispan <juri.dispan@posteo.net>
Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages/linux/bootc-switch.md

@@ -0,0 +1,16 @@
+# bootc switch
+
+> Target a new container image reference to boot.
+> More information: <https://containers.github.io/bootc/man/bootc-switch.html>.
+
+- Change the base OS to a new container image from a registry:
+
+`sudo bootc switch {{image}}`
+
+- Change the base OS to a new container image from the local image storage of the root user:
+
+`sudo bootc switch --transport containers-storage {{image}}`
+
+- Change the base OS to a new container image stored in a tarball:
+
+`sudo bootc switch --transport oci-archive {{path/to/image.tar.gz}}`