[COMP-351] Added graph for commodity vs R&E traffic

compendium-frontend/src/App.tsx

compendium-frontend/src/Schema.tsx

compendium-frontend/src/components/NetworkSidebar.tsx

compendium-frontend/src/helpers/dataconversion.tsx

compendium-frontend/src/pages/CompendiumData.tsx

compendium-frontend/src/pages/TrafficRatioGraph.tsx

compendium_v2/routes/api.py

compendium_v2/routes/traffic_ratio.py

compendium_v2/static/bundle.js

test/conftest.py

test/test_traffic_ratio.py