feat: cloud-init supports all documented KubeSolo CLI flags

Add missing flags (--local-storage-shared-path, --debug, --pprof-server,
--portainer-edge-id, --portainer-edge-key, --portainer-edge-async) so all
10 documented KubeSolo parameters can be configured via cloud-init YAML.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

cloud-init/parser_test.go

@@ -225,6 +225,7 @@ func TestParseExampleFiles(t *testing.T) {
 		"examples/static-ip.yaml",
 		"examples/portainer-edge.yaml",
 		"examples/airgapped.yaml",
+		"examples/full-config.yaml",
 	}
 
 	for _, path := range examples {