docs: Add how-to uninstall the snap section

docs/src/snap/howto/install/index.md

@@ -16,4 +16,5 @@ Install from a snap <snap.md>
 multipass
 Install in LXD <lxd.md>
 Install in air-gapped environments <offline.md>
+Uninstall the snap <uninstall.md>
 ```

docs/src/snap/howto/install/uninstall.md

@@ -0,0 +1,37 @@
+# How to Uninstall the {{ product }} Snap
+
+This guide provides step-by-step instructions for removing the {{ product }}
+snap from your system.
+
+---
+
+## Removing the k8s snap
+
+To uninstall the `k8s` snap, run the following command:
+
+```
+sudo snap remove k8s
+```
+
+This command uninstalls the snap but may leave some configurations and data
+files on the system.
+For a complete removal, including all cluster data, use the `--purge` option:
+
+```
+sudo snap remove k8s --purge
+```
+
+## Confirm snap removal
+
+To confirm the snap is successfully removed, check the list of installed
+snaps:
+
+```
+snap list k8s
+```
+
+This command should produce an output similar to:
+
+```
+error: no matching snaps installed
+```