Boost Rewards

In additional to Base rewards and WoM rewards, there are boosters rewards.
- First to review boost - earn this reward for being the first one to create a review content at a restaurant
- Ambassador Badge boost - earn this reward boost if user holds Ambassador Badge (for onboarding the restaurant as marketing partner)
- Cuisine Connoisseur boost - earn this reward boost if user has dined at 10 different restaurant of the same cuisine.