Fix .ics Validation - please accept pull request

[supaeasy]

Sorry for the duplicate but I cannot comment on or reopen #87 or #127

@JohnVillalovos please consider merging this to create a valid .ics file.

develop...provelo-ict:librebooking_app:Make_invites_valid

I don't even know if this stops anything from working - but a BIG RED WARNING in my eMail-inbox looks at least unprofessional if not like a phishing attempt.

[JohnVillalovos]

Can you please create a Pull Request?

Thank you

[supaeasy]

Can you please create a Pull Request?

Thank you

I tried, but I am not allowed to:

[JohnVillalovos]

Can you please create a Pull Request?

Thank you

I tried, but I am not allowed to:

Did you fork the repository?

Please look at CONTRIBUTING.md for some instructions.

[JohnVillalovos]

https://youtu.be/nCKdihvneS0

[supaeasy]

Hope this works.

[JohnVillalovos]

Hope this works.

It worked and it is now merged. Thanks for doing the PR!