Support dynamic transpilation of .ts files by the server when requested.
Support dynamic transpilation of .ts files by the server when requested.

These transpiled files are cached, which is super handy, and the URLs all work on the browser, so no rewriting is required.
Client code can now be written in ts, including complex dependencies, and the Right Thing will happen in the server & in the browser.

google/chicago-brick,google/chicago-brick,google/chicago-brick,google/chicago-brick