Improve build tools (#252)

* feat: Improve build tools documentation

Add in code documentation and comments for build tools.

* feat: Rewrite build tools in TypeScript

Rewrite build tools in TypeScript
Change `tsconfig.json` configuration

* chore: Fix TypeScript error

Add explicit type annotations to assertion function so that tsc doesn't
complain

* fix: Improve log function and env declaration

Improve log function performance by reducing number of iterations from 3
to 1
Make `env` declaration _const_ instead of _let_

* feat: Add JSDoc comments

Document utils exposed functions
Document provided types
Document high level promise API
Document most of environment API
Document decorators
Document collections

* fix: Fix formatting errors

Undo incorrect formatting from 1n to 0n and 10 to 9
Undo incorrect `get` attached to curveType function