Grafana: define the api for the grafana cloudmigration api (not the csm api) (#84430)

* Add cloud migration endpoints

* Built auth into creating a migration.

* Added more detail to the migration result model

* goimports

* Update pkg/services/cloudmigration/api/api.go

Co-authored-by: lean.dev <34773040+leandro-deveikis@users.noreply.github.com>

* Update pkg/services/cloudmigration/api/api.go

Co-authored-by: lean.dev <34773040+leandro-deveikis@users.noreply.github.com>

---------

Co-authored-by: Leonard Gram <leo@xlson.com>
Co-authored-by: lean.dev <34773040+leandro-deveikis@users.noreply.github.com>

pkg/services/cloudmigration/model.go

@@ -1,6 +1,8 @@
 package cloudmigration
 
 import (
+	"time"
+
 	"github.com/grafana/grafana/pkg/util/errutil"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -10,6 +12,53 @@ var (
 	ErrFeatureDisabledError        = errutil.Internal("cloudmigrations.disabled", errutil.WithPublicMessage("Cloud migrations are disabled on this instance"))
 )
 
+type CloudMigration struct {
+	ID        int64     `json:"id" xorm:"pk autoincr 'id'"`
+	AuthToken string    `json:"authToken"`
+	Stack     string    `json:"stack"`
+	Created   time.Time `json:"created"`
+	Updated   time.Time `json:"updated"`
+}
+
+type MigratedResourceResult struct {
+	Status  string `json:"status"`
+	Message string `json:"message"`
+}
+
+type MigrationResult struct {
+	Status  string `json:"status"`
+	Message string `json:"message"`
+}
+
+type MigratedResource struct {
+	Type   string                 `json:"type"`
+	ID     string                 `json:"id"`
+	RefID  string                 `json:"refID"`
+	Name   string                 `json:"name"`
+	Result MigratedResourceResult `json:"result"`
+}
+
+type CloudMigrationRun struct {
+	ID                int64              `json:"id" xorm:"pk autoincr 'id'"`
+	CloudMigrationUID string             `json:"uid" xorm:"cloud_migration_uid"`
+	Resources         []MigratedResource `json:"items"`
+	Result            MigrationResult    `json:"result"`
+	Created           time.Time          `json:"created"`
+	Updated           time.Time          `json:"updated"`
+	Finished          time.Time          `json:"finished"`
+}
+
+type CloudMigrationRequest struct {
+	AuthToken string `json:"authToken"`
+}
+
+type CloudMigrationResponse struct {
+	ID      int64     `json:"id"`
+	Stack   string    `json:"stack"`
+	Created time.Time `json:"created"`
+	Updated time.Time `json:"updated"`
+}
+
 type MigrateDatasourcesRequest struct {
 	MigrateToPDC       bool
 	MigrateCredentials bool