Add Room Booking Guidelines

[rajivharlalka]

Signed-off-by: rajivharlalka rajivharlalka009@gmail.com

Notes:

• Read .github/CONTRIBUTING.md before creating the Pull Request. This is a MUST.
• KOSS Documentation is public. Make sure you are not adding any information which should remain private.

Write path(s) which will be affected by this Pull Request.

• /events/room-booking

Justify your changes or addition. Added Room Booking guidelines

Why do you think it should be documented? Ease for people in the future to know the process of room-booking

Will sharing this with just the current members serve our purpose? For example, how you plan to conduct an event next week is a private affair. But, how you generally do the event, should be documented.

[welcome[bot]]

💖 Thanks for opening this pull request! 💖

Please read our contributing guidelines thoroughly and make sure you follow it.

If you are making any changes to any written content of KOSS Documentation -

• The Pull Request must not be merged within 48 hours.
• Please do not merge your Pull Request yourself, even if you have access to do it.
• You need atleast 6 approvals (3 each from Executive Heads and Advisors)
• Feel free to mention some people in the PR.