feat: implement mjfilter file for templates (#1244)

* feat: implement mjfilter file for templates

Signed-off-by: Devin Buhl <devin@buhl.casa>

* fix: use data.get in mjfilters

Signed-off-by: Devin Buhl <devin@buhl.casa>

---------

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/kubernetes/apps/storage/csi-driver-nfs/app/helmrelease.yaml.j2

@@ -1,4 +1,3 @@
-#% if addon_csi_driver_nfs.enabled %#
 ---
 apiVersion: helm.toolkit.fluxcd.io/v2beta2
 kind: HelmRelease
@@ -29,4 +28,3 @@ spec:
     #% if bootstrap_distribution in ['k0s'] %#
     kubeletDir: /var/lib/k0s/kubelet
     #% endif %#
-#% endif %#