v0.0.9: Adding button click functionality (#20)

* Adding button click functionality

* Fixing button href and upgrading manifold-init-types

* Make sub link format mutable

* Using correct href check

* Changing event name

* Set 'bran' as owner id

Co-authored-by: Sam Slotsky <sam@manifold.co>

v0.0.1-next.0

add test