📝 docs: improve UniTask installation UX with copyable URLs

Author: soo-bak

Packages/com.soobak.algo.core/package.json

@@ -13,8 +13,6 @@
     "runner",
     "visualization"
   ],
-  "dependencies": {
-    "com.cysharp.unitask": "https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask#2.5.3"
-  },
+  "dependencies": {},
   "samples": []
 }

Packages/com.soobak.algo.search/package.json

@@ -13,9 +13,6 @@
     "algorithm",
     "visualization"
   ],
-  "dependencies": {
-    "com.soobak.algo.core": "0.1.0",
-    "com.cysharp.unitask": "https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask#2.5.3"
-  },
+  "dependencies": {},
   "samples": []
 }

Packages/com.soobak.algo.sorting/package.json

@@ -13,10 +13,7 @@
                      "algorithm",
                      "visualization"
                  ],
-    "dependencies":  {
-                         "com.soobak.algo.core":  "0.1.0",
-                         "com.cysharp.unitask":  "https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask#2.5.3"
-                     },
+    "dependencies":  {},
     "samples":  [
                     {
                         "path":  "Samples~/SortingVisualizerDemo",

README.md

@@ -18,12 +18,38 @@ Reusable Unity 6 algorithm pipeline. `com.soobak.algo.core` defines execution pr
 3. Consumers either pass an `ISortingAlgorithm` directly or call `ExecuteAsync("quick-sort", state, token)`.
 4. Each step broadcasts a cloned `SortingState` and a `SortOp` event so visualizers receive immutable snapshots.
 
-1. Add the complete package from Git URL:
+## Installation
+
+1. **Install UniTask first** (required dependency):
+
+   **Git URL (recommended):**
+   ```
+   https://github.com/Cysharp/UniTask.git?path=src/UniTask/Assets/Plugins/UniTask#2.5.10
+   ```
+
+   **OpenUPM (alternative):**
+   ```
+   https://openupm.com/packages/com.cysharp.unitask/
+   ```
+
+2. **Add individual packages using path parameters**:
+
+   **Core Package:**
    ```
-   https://github.com/soo-bak/soobak-algo-core.git
+   https://github.com/soo-bak/soobak-algo-core.git?path=Packages/com.soobak.algo.core
    ```
 
-2. Or add individual packages using path parameters:
+   **Sorting Package:**
+   ```
+   https://github.com/soo-bak/soobak-algo-core.git?path=Packages/com.soobak.algo.sorting
+   ```
+
+   **Search Package:**
+   ```
+   https://github.com/soo-bak/soobak-algo-core.git?path=Packages/com.soobak.algo.search
+   ```
+
+   **Or add to manifest.json:**
    ```json
    {
      "dependencies": {
@@ -33,6 +59,9 @@ Reusable Unity 6 algorithm pipeline. `com.soobak.algo.core` defines execution pr
      }
    }
    ```
+
+   **Note**: Each package is independent and can be installed separately. Make sure to install UniTask first before using any algorithm packages.
+
 2. Implement a visualizer.
    ```csharp
    public sealed class BarVisualizer : IBarVisualizer {