Pancakesquad holder to have exclusive IFO allocation

To further increase the utility and incentivise pancakesquad holders, Pancakesquad holder should be given additional IFO allocation if they choose to participate in the IFO.

Proposal: 10% of all IFO allocation could be set aside to be given to Pancakesquad holders and 90% can be further split into basic and unlimited sale.