Enable typescript lint (#15979)

.eslintrc

.meteor/packages

.meteor/versions

.scripts/set-version.js

.scripts/start.js

.scripts/version.js

app/api/server/v1/misc.js

app/api/server/v1/rooms.js

app/api/server/v1/subscriptions.js

app/apps/server/bridges/commands.js

app/apps/server/bridges/messages.js

app/apps/server/cron.js

app/authorization/client/views/permissions.js

app/authorization/server/publications/permissions/emitter.js

app/authorization/server/publications/permissions/index.js

app/callbacks/lib/callbacks.js

app/cas/client/cas_client.js

app/channel-settings/client/views/channelSettings.js

app/chatpal-search/server/provider/provider.js

app/custom-sounds/client/admin/adminSounds.js