refactor: change subscription API to resource based (#720)
refactor: change subscription API to resource based (#720)

* refactor: change subscription API to resource based (Close #696)

Signed-off-by: Remi Cattiau <f0699137713be92736351a0674e79536595e4a60@cattiau.com>

* fix: remove incorrect http proxy

Signed-off-by: Remi Cattiau <f0699137713be92736351a0674e79536595e4a60@cattiau.com>
cloudevents/spec