New: GitLab Resource Type Methods

src/Coscine.Api.Project/api.ts

src/Coscine.Api.Project/base.ts

src/Coscine.Api.Project/common.ts

src/Coscine.Api.Project/configuration.ts

src/Coscine.Api.Project/index.ts

src/Coscine.Api.Resources/api.ts

src/Coscine.Api.Resources/base.ts

src/Coscine.Api.Resources/common.ts

src/Coscine.Api.Resources/configuration.ts

src/Coscine.Api.Resources/index.ts

src/Coscine.Api.Tree/api.ts

src/Coscine.Api.Tree/base.ts

src/Coscine.Api.Tree/common.ts

src/Coscine.Api.Tree/configuration.ts

src/Coscine.Api.Tree/index.ts

src/Coscine.Api.User/api.ts

src/Coscine.Api.User/base.ts

src/Coscine.Api.User/common.ts

src/Coscine.Api.User/configuration.ts

src/Coscine.Api.User/index.ts