New: Maintenance mode for resources

generate-api-client.sh

src/Coscine.Api/@coscine/api/admin-api.ts

src/Coscine.Api/@coscine/api/application-profile-api.ts

src/Coscine.Api/@coscine/api/discipline-api.ts

src/Coscine.Api/@coscine/api/language-api.ts

src/Coscine.Api/@coscine/api/license-api.ts

src/Coscine.Api/@coscine/api/organization-api.ts

src/Coscine.Api/@coscine/api/pid-api.ts

src/Coscine.Api/@coscine/api/project-api.ts

src/Coscine.Api/@coscine/api/project-invitation-api.ts

src/Coscine.Api/@coscine/api/project-member-api.ts

src/Coscine.Api/@coscine/api/project-quota-api.ts

src/Coscine.Api/@coscine/api/project-resource-api.ts

src/Coscine.Api/@coscine/api/resource-type-api.ts

src/Coscine.Api/@coscine/api/resource-type-git-lab-api.ts

src/Coscine.Api/@coscine/api/role-api.ts

src/Coscine.Api/@coscine/api/search-api.ts

src/Coscine.Api/@coscine/api/self-api-token-api.ts

src/Coscine.Api/@coscine/api/system-status-api.ts

src/Coscine.Api/@coscine/api/title-api.ts