Docs: Big docs update

README.md

docs/conf.py

docs/config.yaml

docs/constants.rst

docs/enum_doc.py

docs/helpers.rst

docs/idabot.rst

docs/replayunit.rst

docs/types.rst

docs/unit.rst

generate_pydocs.py

python-api-src/lib_base_location.cpp

python-api-src/lib_building_placer.cpp

python-api-src/lib_color.cpp

python-api-src/lib_map_tools.cpp

python-api-src/lib_replay_unit.cpp

python-api-src/lib_sc2_typeenums.cpp

python-api-src/lib_tech_tree.cpp

python-api-src/lib_unit.cpp

python-api-src/lib_unittype.cpp