Add a quick install option for Jitsi Meet#131

Jitsi Meet (https://jitsi.org/jitsi-meet/) is a fully-fledged video conferencing solution that can be self-hosted. As a communication platform, Jitsi is exceeding other projects in this list in supporting many chats, encryption, media, and communication protocols.

Jitsi team provides a set of projects for better communication including desktop clients, server application, server-side apps, Firefox extension and Video chat engine for software developers. If you require daily video conferencing tools consider Jitsi.

What does Jitsi have?

• Developer tools
• Reliable video and voice conferencing
• Multiple clients
• E2E encryption