src: add news and store channels, and missing guild props (#3168)

* src: Implement store and news channels!

* src: Remove code dupe

* src: Add missing guild properties

* docs: Add a small notice that the channel type may also change

* src: Remove re-creation of the MessageStore

* lint: Unused Import

* src: Requested changes for StoreChannels

* typings: Fix typings

* src: Moar guild updates

* src: Set maximumPresence to the data prop, the already existent one, or default to 5000

* typings: afkChannel is a VC

I keep confusing them, ffs

Co-Authored-By: vladfrangu <kingdgrizzle@gmail.com>

* docs: Document that maximumMembers and maximumPresences may be inaccurate before fetching

* src Appels requested changes

src/structures/Channel.js

@@ -116,6 +116,16 @@ class Channel extends Base {
             channel = new CategoryChannel(guild, data);
             break;
           }
+          case ChannelTypes.NEWS: {
+            const NewsChannel = Structures.get('NewsChannel');
+            channel = new NewsChannel(guild, data);
+            break;
+          }
+          case ChannelTypes.STORE: {
+            const StoreChannel = Structures.get('StoreChannel');
+            channel = new StoreChannel(guild, data);
+            break;
+          }
         }
         if (channel) guild.channels.set(channel.id, channel);
       }