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/config.go

@@ -31,9 +31,15 @@ type NetworkConfig struct {
 
 // KubeSoloConfig defines KubeSolo-specific settings.
 type KubeSoloConfig struct {
-	ExtraFlags   string   `yaml:"extra-flags"`
-	LocalStorage *bool    `yaml:"local-storage"`
-	ExtraSANs    []string `yaml:"apiserver-extra-sans"`
+	ExtraFlags             string   `yaml:"extra-flags"`
+	LocalStorage           *bool    `yaml:"local-storage"`
+	LocalStorageSharedPath string   `yaml:"local-storage-shared-path"`
+	ExtraSANs              []string `yaml:"apiserver-extra-sans"`
+	Debug                  bool     `yaml:"debug"`
+	PprofServer            bool     `yaml:"pprof-server"`
+	PortainerEdgeID        string   `yaml:"portainer-edge-id"`
+	PortainerEdgeKey       string   `yaml:"portainer-edge-key"`
+	PortainerEdgeAsync     bool     `yaml:"portainer-edge-async"`
 }
 
 // NTPConfig defines NTP settings.