add service b

service_b/internal/domains/meteo/service.go

@@ -0,0 +1,22 @@
+package meteo
+
+import (
+	"context"
+	"sync"
+)
+
+type inMemory struct {
+	data map[string]MeteoData
+	mu   *sync.RWMutex
+}
+type Service struct {
+	inMemory
+}
+
+func NewService() *Service {
+	return &Service{}
+}
+
+func (s *Service) GetWeatherByCity(ctx context.Context, params GetMeteoData) ([]MeteoData, error) {
+	return []MeteoData{}, nil
+}