docs: add README (#5)

Author: Taure

README.md

@@ -1,6 +1,6 @@
 # asobi-unity
 
-Unity client SDK for the [Asobi](https://asobi.dev) game backend. Unity 2021.3+, pure C#.
+Unity client SDK for the [Asobi](https://github.com/widgrensit/asobi) game backend. Requires Unity 2021.3+.
 
 ## Installation
 
@@ -10,7 +10,7 @@ Add via Unity Package Manager using the git URL:
 https://github.com/widgrensit/asobi-unity.git
 ```
 
-Window > Package Manager > + > Add package from git URL...
+Window > Package Manager > + > Add package from git URL.
 
 ## Quick Start
 
@@ -19,60 +19,38 @@ using Asobi;
 
 var client = new AsobiClient("localhost", port: 8080);
 
-// Auth
-await client.Auth.Register("player1", "secret123");
-await client.Auth.Login("player1", "secret123");
+// Register & login
+await client.Auth.RegisterAsync("player1", "secret123", "Player One");
+await client.Auth.LoginAsync("player1", "secret123");
 
 // REST APIs
-var player = await client.Players.GetSelf();
-var top = await client.Leaderboards.GetTop("weekly");
-var wallets = await client.Economy.GetWallets();
+var player = await client.Players.GetSelfAsync();
+var top = await client.Leaderboards.GetTopAsync("weekly");
+var wallets = await client.Economy.GetWalletsAsync();
+
+// Matchmaking
+var ticket = await client.Matchmaker.AddAsync("arena");
 
 // Real-time
-client.Realtime.OnMatchState += (state) => Debug.Log($"Tick: {state["tick"]}");
-await client.Realtime.ConnectAsync();
-await client.Realtime.AddToMatchmaker("arena");
+client.Realtime.OnMatchState += state => Debug.Log($"Tick: {state.tick}");
+client.Realtime.Connect();
 ```
 
 ## Features
 
-- **Auth** - Register, login, token refresh
-- **Players** - Profiles, updates
-- **Matchmaker** - Queue, status, cancel
-- **Matches** - List, details
-- **Leaderboards** - Top scores, around player, submit
-- **Economy** - Wallets, store, purchases
-- **Inventory** - Items, consume
-- **Social** - Friends, groups, chat history
-- **Tournaments** - List, join
-- **Notifications** - List, read, delete
-- **Storage** - Cloud saves, key-value
-- **IAP** - In-app purchase receipt validation
-- **Realtime** - WebSocket for matches, chat, presence, matchmaking
-
-## API Reference
-
-All API modules are accessible from `AsobiClient`:
-
-| Property | Class |
-|----------|-------|
-| `Auth` | `AsobiAuth` |
-| `Players` | `AsobiPlayers` |
-| `Matchmaker` | `AsobiMatchmaker` |
-| `Matches` | `AsobiMatches` |
-| `Leaderboards` | `AsobiLeaderboards` |
-| `Economy` | `AsobiEconomy` |
-| `Inventory` | `AsobiInventory` |
-| `Social` | `AsobiSocial` |
-| `Tournaments` | `AsobiTournaments` |
-| `Notifications` | `AsobiNotifications` |
-| `Storage` | `AsobiStorage` |
-| `IAP` | `AsobiIAP` |
-| `Realtime` | `AsobiRealtime` |
-
-## Demo
-
-See [asobi-unity-demo](https://github.com/widgrensit/asobi-unity-demo) for a complete example project.
+- **Auth** — Register, login, OAuth, provider linking, token refresh
+- **Players** — Profiles, updates
+- **Matchmaker** — Queue, status, cancel
+- **Matches** — List, details
+- **Leaderboards** — Top scores, around player, submit
+- **Economy** — Wallets, store, purchases
+- **Inventory** — Items, consume
+- **Social** — Friends, groups, chat history
+- **Tournaments** — List, join
+- **Notifications** — List, read, delete
+- **Storage** — Cloud saves, key-value
+- **IAP** — In-app purchase receipt validation
+- **Realtime** — WebSocket with events for matches, chat, presence, matchmaking
 
 ## License