* Adds Storybook

Signed-off-by: Dorian Johnson <2020@dorianj.net>

* tsconfig: move module options to parent file

This might be an oopsie, but I'm not totally clear on the rationale of having
multiple tsconfigs, so I'm

Motivation is that storybook needs these options, but there's no way AFAICT
to specify a tsconfig for it (putting tsconfig.json in .storybook doesn't work)

Signed-off-by: Dorian Johnson <2020@dorianj.net>

* storybook: convert main to typescript; import most of the config

Signed-off-by: Dorian Johnson <2020@dorianj.net>

* storybook: just use the dev config wholesale

Signed-off-by: Dorian Johnson <2020@dorianj.net>

* storybook: remove story for component that doesn't exist yet

Signed-off-by: Dorian Johnson <2020@dorianj.net>

* storybook: move story files to live with their views

Open to feedback on this, but I think this will be more scalable.

Signed-off-by: Dorian Johnson <2020@dorianj.net>

* storybook: re-add preview, which includes global styles

Signed-off-by: Dorian Johnson <2020@dorianj.net>

* storybook: fix config via env var switching

Signed-off-by: Dorian Johnson <2020@dorianj.net>

Co-authored-by: Marcos Iglesias <miglesiasvalle@lyft.com>