* Support 1 blockchain only
* auth check based on single chain
* use config to set the blockchain provider URL
* fix config to read from env variable
* handle 31337 in addition to 1337
* pass in roomserver API so that we have access to the db
* interface to get db info for spaceid and channelid
* determine space or channel by querying the room db
* Add authorization check to the JOIN endpoint
* fix lint errors
* import new versions of the zion contracts
* bootstrap zion authz
* define interface for space manager contract
* instantiate spacemanager interface
* load goerli and localhost
* embed json
* remove zion interface. Use contracts directly
* split user identifiter into address and chain id
* isAllowed in routing.go
* remove permission.go
Co-authored-by: Tak Wai Wong <tak@hntlabs.com>
