feat: Add support for TypeScript project references (#991)

* Update all package.json and tsconfig.json

* fix(contracts): Make test/utils/web3_wrapper.ts compatible with project refs

* Fix webpack config for 0x.js

* Fix linter errors by adding rootDir to tsconfig.json as needed

* Add build:ts and watch:ts commands to package.json

* Update sra-spec to work with project references

* Update tsconfig.json with latest new/removed packages

* Add TypeScript as devDependency at root

* Add missing rootDir to forwarder-helper package

* Use a separate tsconfig file for typedoc

* Fix linter errors

* Apply PR feedback (add comments)

* Fix 0x.js tsconfig

packages/0x.js/webpack.config.js

@@ -47,8 +47,13 @@ module.exports = {
                 use: [
                     {
                         loader: 'awesome-typescript-loader',
+                        // tsconfig.json contains some options required for
+                        // project references which do not work with webback.
+                        // We override those options here.
                         query: {
                             declaration: false,
+                            declarationMap: false,
+                            composite: false,
                         },
                     },
                 ],