Add type: m.login.application_service to register call

.drone.yml

@@ -0,0 +1,7 @@
+pipeline:
+  build:
+    image: golang:stretch
+    commands:
+      - go get -d -v
+      - go build -v
+

mxlib/api.go

@@ -40,7 +40,12 @@ type LoginResponse struct {
 }
 
 type RegisterRequest struct {
-	Username string `json:"username"`
+	Auth     RegisterRequestAuth `json:"auth"`
+	Username string              `json:"username"`
+}
+
+type RegisterRequestAuth struct {
+	Type string `json:"type"`
 }
 
 type RegisterResponse struct {

mxlib/client.go

@@ -144,6 +144,9 @@ func (mx *Client) PasswordLogin(username string, password string, device_id stri
 
 func (mx *Client) RegisterUser(username string) error {
 	req := RegisterRequest{
+		Auth: RegisterRequestAuth{
+			Type: "m.login.application_service",
+		},
 		Username: username,
 	}
 	var rep RegisterResponse