Test task for int20h hackathon
User should be signed in to perform any operation.
User can create lot with name, description, tags, images, initial price, mininal betting step and start/close dates.
User can edit lot only if lot is not active.
User can make minimal or custom bet.
User can send messages to chat if he/she is a part of lot (has at least one bet made).
User can see paginated list of lots, perform search, filtration and sorting.