Merge remote-tracking branch 'origin/master' into 8-favicon-title-etc

src/App.tsx

src/components/NavBar/index.tsx

src/components/NavBar/styles.ts

src/components/PageContainer/index.tsx

src/components/PageContainer/styles.ts

src/components/Popup/index.tsx

src/components/Popup/styles.ts

src/components/ThemeRadioGroup/index.tsx

src/components/ThemeRadioGroup/styles.ts

src/helpers/hooks.ts

src/helpers/themes.ts

src/pages/FeatsVsFixesPage/index.tsx

src/pages/FeatsVsFixesPage/styles.ts

src/pages/SettingsPage/index.tsx

src/pages/TimePerIssueLabelPage/index.tsx

src/pages/TimePerIssueLabelPage/styles.ts