db service: Count endpoint (#236)

examples/db/count/go/countEntriesInATable.go

@@ -0,0 +1,16 @@
+package example
+
+import (
+	"fmt"
+	"github.com/micro/services/clients/go/db"
+	"os"
+)
+
+// Count records in a table
+func CountEntriesInAtable() {
+	dbService := db.NewDbService(os.Getenv("MICRO_API_TOKEN"))
+	rsp, err := dbService.Count(&db.CountRequest{
+		Table: "users",
+	})
+	fmt.Println(rsp, err)
+}