Revert "fix: use `supports_method` to check capability"

fix: use `supports_method` to check capability

feat: use original typed key if possible

Merge pull request #2 from IndianBoy42/patch-1

fix: get_active_clients is deprecated

fix: allow disabling specific client by assigning server_capabilities

fix: potential error for key listening

chore: update doc

chore: add screencast

initial commit