Refactored docs structure and added new API doc source files with a new

docs/source/api/workspaces.services.rst

docs/source/api/workspaces.workflow_interfaces.rst

docs/source/capability.rst

docs/source/datafetcher.rst

docs/source/datafinder.rst

docs/source/deployment.rst

docs/source/faultchecker.rst

docs/source/ingestion.rst

docs/source/installation.rst

docs/source/proprietary_setter.rst

docs/source/quick-links.rst

docs/source/schema.rst

docs/source/weblog_thumbs.rst

docs/source/wf.rst

docs/source/workspaces.rst