Added language and fixed datepicker bug.

src/App.tsx

src/components/graphs/barChart/barChart.module.scss

src/components/graphs/barChart/barChart.tsx

src/components/graphs/pieChart/pieChart.module.scss

src/components/graphs/pieChart/pieChart.tsx

src/context/commitPageContext.tsx

src/context/issuePageContext.tsx

src/i18n.ts

src/index.css

src/pages/commitGraphPage/CommitPage.module.scss

src/pages/commitGraphPage/CommitPage.tsx

src/utils/queryType.ts

src/utils/victory/useVictory.tsx

yarn.lock