Added feature/wish list

README.md

 # matrix-appservice-discord
 A very WIP bridge between Matrix and Discord in node.
+
+# Features:
+
+ - [x] Group messages
+ - [ ] Direct messages
+  - [ ] Recieving
+  - [ ] Initiating
+ - Matrix -> Discord
+   - [x] Text content
+   - [ ] Image content
+   - [ ] Audio/Video content
+   - [ ] Typing notifs
+   - [x] User Profiles
+ - Discord -> Matrix
+   - [x] Text content
+   - [ ] Image content
+   - [ ] Audio/Video content
+   - [x] Typing notifs
+   - [ ] User Profiles
+   - [ ] Presence
+ - [ ] Webhooks (allows for prettier messages to discord)
+ - [ ] Rooms react to Discord updates
+ - [ ] Manage channel from Matrix
+ - [ ] VOIP (**Hard** | Unlikely to be finished anytime soon)