Hyper docs

tunnel: add shared relay service by @kanyesthaker in #126
cli: migrate command, derived channel config, stable-api rename by @shalins in #134
dev: connect local servers to the tunnel by @kanyesthaker in #130
deploy: sync worker secrets from ssm by @shalins in #135
connectors: isolate provider environments by @kanyesthaker in #131
dev: remove shared database server mode by @kanyesthaker in #138
release: create github releases by @shalins in #136
ci: cut releases from one manual workflow by @shalins in #137