Summary: The variables `entranceFee`, `organizer`, `predictionFee` and contract instance `scoreBoard` should be changed to immutable.
Vulnerability Details
Impact: If the variables value are not changed and are kept as private or public, it will cost gas. It is the best practice to change them as Immutable to reduce gas cost.
Tools Used: Slither and VScode.
Recommendations: Change are as below in `ThePredicter` contract are as below.