* Add the great Zod as a dependency to help us
* Tweak eslint
* Rewrite a ton of stuff in createContract and placeBet
* Clean up error reporting in API
* Make sure the UI is enforcing validated limits on lengths
* Remove unnecessary Math.abs
* Better type on `BetInfo`
* Kill `manaLimitPerUser`
* Clean up hacky parameters on bet info functions
* Validate `closeTime` as a valid timestamp in the future
* Add tsconfig.json for common
* Prefer `const` over `let` over `var`
* Kill dead code
* Fix some trivial Typescript issues
* Turn on Typescript linting in common except for no-explicit-any
* Correctly specify tsconfig dir name in functions eslintrc
* Set common package.json sideEffects: false
* Configure SWC to modularize lodash imports
* Import specific lodash functions instead of _
* Add an eslint rule to avoid full lodash import
