Add separate service clients (#5)

service/answer/answer.go

@@ -0,0 +1,37 @@
+package answer
+
+import (
+	"github.com/m3o/m3o-go/client"
+)
+
+func NewAnswerService(token string) *AnswerService {
+	return &AnswerService{
+		client: client.NewClient(&client.Options{
+			Token: token,
+		}),
+	}
+}
+
+type AnswerService struct {
+	client *client.Client
+}
+
+// Ask a question and receive an instant answer
+func (t *AnswerService) Question(request *QuestionRequest) (*QuestionResponse, error) {
+	rsp := &QuestionResponse{}
+	return rsp, t.client.Call("answer", "Question", request, rsp)
+}
+
+type QuestionRequest struct {
+	// the question to answer
+	Query string `json:"query"`
+}
+
+type QuestionResponse struct {
+	// the answer to your question
+	Answer string `json:"answer"`
+	// any related image
+	Image string `json:"image"`
+	// a related url
+	Url string `json:"url"`
+}