Share meeting link with all rang viewers

[seocahill]

Describe the bug When someone starts a meeting the other rang viewers should not see 'thosaigh cruinniu' but 'glac pairt' no rud eicint cosuil le sin. Should be realtime. Show link also

To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context Add any other context about the problem here.

[seocahill]

implemented to simply join existing meeting in rang if one has already been started