[TASK] meshviewer-ffrgb output add mac of link

output/meshviewer-ffrgb/struct.go

@@ -55,7 +55,6 @@ type Autoupdater struct {
 	Branch  string `json:"branch,omitempty"`
 }
 
-
 // Location struct
 type Location struct {
 	Longtitude float64 `json:"longitude,omitempty"`
@@ -69,9 +68,8 @@ type Link struct {
 	Target    string  `json:"target"`
 	SourceTQ  float32 `json:"source_tq"`
 	TargetTQ  float32 `json:"target_tq"`
-	// keep the logic for maybe later implementation
-	SourceMAC string `json:"-"`
-	TargetMAC string `json:"-"`
+	SourceMAC string  `json:"source_mac"`
+	TargetMAC string  `json:"target_mac"`
 }
 
 func NewNode(nodes *runtime.Nodes, n *runtime.Node) *Node {