Chore: Move service definitions to core services package (#27546)

_templates/package/new/tsconfig.json.ejs.t

_templates/service/new/package.json.ejs.t

_templates/service/new/service.ejs.t

_templates/service/new/servicesClass.ejs.t

apps/meteor/app/api/server/lib/getUploadFormData.ts

apps/meteor/app/api/server/v1/banners.ts

apps/meteor/app/api/server/v1/channels.js

apps/meteor/app/api/server/v1/channels.ts

apps/meteor/app/api/server/v1/emoji-custom.ts

apps/meteor/app/api/server/v1/groups.js

apps/meteor/app/api/server/v1/ldap.ts

apps/meteor/app/api/server/v1/roles.ts

apps/meteor/app/api/server/v1/rooms.js

apps/meteor/app/api/server/v1/teams.ts

apps/meteor/app/api/server/v1/users.ts

apps/meteor/app/api/server/v1/videoConference.ts

apps/meteor/app/api/server/v1/voip/events.ts

apps/meteor/app/api/server/v1/voip/extensions.ts

apps/meteor/app/api/server/v1/voip/omnichannel.ts

apps/meteor/app/api/server/v1/voip/queues.ts