graphql

Upgrade NPM package version for subscriptions tutorial

channel is now const in resolver

Added ChannelPreview and input renamed to messages

Removed typescript from dataIdFromObject

Changed names to Channel and component in ChannelName

Channel name retreived from cache

AddMessage mutation uses input type

fixed link coloring and removed comments

Removed key from array warning from channels link

Removed console.log

css works for Chrome and mutation checks error

Add error checking for channel not found

Messaging functional without displaying the name of the channel

Indicate optimistic state