feat(auth): add authentication mecanism

[CorentinTh]

Closes #125

[cloudflare-workers-and-pages[bot]]

Deploying enclosed-docs with    Cloudflare Pages

Latest commit:	67b31cf
Status:	✅  Deploy successful!
Preview URL:	https://f304d74a.enclosed-docs.pages.dev
Branch Preview URL:	https://authentication.enclosed-docs.pages.dev

View logs

[cloudflare-workers-and-pages[bot]]

Deploying enclosed with    Cloudflare Pages

Latest commit:	67b31cf
Status:	✅  Deploy successful!
Preview URL:	https://7e95a983.enclosed.pages.dev
Branch Preview URL:	https://authentication.enclosed.pages.dev

View logs

[sonarcloud[bot]]

Quality Gate passed

Issues
16 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.9% Duplication on New Code

See analysis details on SonarCloud