feat: initial tracing support (#1623)

internal/middleware/requestid.go

@@ -65,9 +65,8 @@ func generateID() string {
 // AddRequestID returns a gin middleware which adds a unique ID to each request (both response header and context).
 func AddRequestID(header string) gin.HandlerFunc {
 	return func(c *gin.Context) {
-		// Look for existing ID.
 		id := c.GetHeader(header)
-
+		// Have we found anything?
 		if id == "" {
 			// Generate new ID.
 			//