feat(mail): unsubscribe newsletter

.gitignore

.vscode/settings.json

manifest.webapp

src/components/Options/Unsubscribe/UnSubscribeView.spec.tsx

src/components/Options/Unsubscribe/UnSubscribeView.tsx

src/components/Options/Unsubscribe/Unsubscribe.spec.tsx

src/components/Options/Unsubscribe/Unsubscribe.tsx

...s/Unsubscribe/__snapshots__/UnSubscribeView.spec.tsx.snap

...tions/Unsubscribe/__snapshots__/Unsubscribe.spec.tsx.snap

src/components/Options/Unsubscribe/unsubscribe.scss

src/components/Routes/Routes.tsx

src/doctypes/io-cozy-permissions.ts

src/locales/fr.json

src/services/permissions.service.ts

src/targets/browser/index.tsx

src/targets/public/index.ejs

src/targets/public/index.tsx

src/targets/services/monthlyReportNotification.ts

src/targets/vendor/assets/offline.html

src/targets/vendor/assets/unsubscribe.html