added lg, data, poller routes to docs

README.md

docs/source/protocol/classifier.rst

docs/source/protocol/data.rst

docs/source/protocol/index.rst

docs/source/protocol/jobs.rst

docs/source/protocol/lg.rst

docs/source/protocol/poller.rst

inventory_provider/routes/data.py

inventory_provider/routes/jobs.py

inventory_provider/routes/lg.py

inventory_provider/routes/poller.py

test/per_router/test_poller_routes.py

test/test_general_poller_routes.py

test/test_job_routes.py

test/test_lg_routes.py