Add Tiltfile:

This pairs nice with the CAPT playground
for local development.

Signed-off-by: Jacob Weinstock <jakobweinstock@gmail.com>

Author: jacobweinstock

Tiltfile

@@ -0,0 +1,7 @@
+docker_build(
+    'ghcr.io/tinkerbell/cluster-api-provider-tinkerbell',
+    '.',
+    dockerfile='Dockerfile',
+)
+k8s_yaml(kustomize('./config/default'))
+default_registry('ttl.sh/meohmy-dghentld')