Client: Improve SEO

Backend: Upgrade NodeJS to v14.17.5

Client: Update dependencies (except for typestyle due to issue #358)

Client: Fix meta tags

Backend: Upgrade dependencies

Backend: Upgrade dependencies. Client: Handle unsupported IE versions…

… gracefully, upgrade dependencies.

Workspace: Update NodeJS version

Merge branch 'client/ssr'

Backend: Maintenance

Merge branch 'client/support-es5-target'