* 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>