create top level docs folder and contents

docs/AnyCRSEssence.md

docs/AnyCTEssence.md

docs/AreaOfUse.md

docs/AreaOfUseDeprecationInfo.md

docs/AreaOfUseEssence.md

docs/AreaOfUseRequest.md

docs/AreaOfUseResults.md

docs/AreasOfUseApi.md

docs/AuthCode.md

docs/BoundBox.md

docs/CRS.md

docs/CRSCatalogApi.md

docs/CRSDeprecationInfo.md

docs/CRSRequest.md

docs/CRSResults.md

docs/CT.md

docs/CTDeprecationInfo.md

docs/CTRequest.md

docs/CTResults.md

docs/CartographicTransformationsApi.md