Added basic OPNsense integration, and fixed PfSense API by changing from X-API-Key and X-API-Secret headers to only x-api-key header (lowercase as specified in v2 API docs)

internal/config/settings.go

@@ -90,6 +90,7 @@ type AdvancedActionsConfig struct {
 	Integration string                      `json:"integration"`
 	Mikrotik    MikrotikIntegrationSettings `json:"mikrotik"`
 	PfSense     PfSenseIntegrationSettings  `json:"pfSense"`
+	OPNsense    OPNsenseIntegrationSettings `json:"opnsense"`
 }
 
 type MikrotikIntegrationSettings struct {
@@ -109,6 +110,14 @@ type PfSenseIntegrationSettings struct {
 	SkipTLSVerify bool   `json:"skipTLSVerify"`
 }
 
+type OPNsenseIntegrationSettings struct {
+	BaseURL       string `json:"baseUrl"`
+	APIKey        string `json:"apiKey"`
+	APISecret     string `json:"apiSecret"`
+	Alias         string `json:"alias"`
+	SkipTLSVerify bool   `json:"skipTLSVerify"`
+}
+
 func defaultAdvancedActionsConfig() AdvancedActionsConfig {
 	return AdvancedActionsConfig{
 		Enabled:     false,