docs: Add instructions for enabling VM templating
Kata 2.0 uses virtio-fs as the shared_fs by default,
bug VM templating cannot be used with virtio-fs.
Fixes:
@@ -46,6 +46,7 @@ overridden by `/etc/kata-containers/configuration.toml` if provided) such that:
- `enable_template = true`
- `initrd =` is set
- `image =` option is commented out or removed
+ - `shared_fs` should not be `virtio-fs`
Then you can create a VM templating for later usage by calling
```
