docs: add beginner-friendly hooks tutorial for issue #20

examples/HOOKS_TUTORIAL.md

@@ -0,0 +1,28 @@
+# How to Use MemPalace Hooks (Auto-Save)
+
+MemPalace hooks act as an "Auto-Save" feature. They help your AI keep a permanent memory without you needing to run manual commands.
+
+### 1. What are these hooks?
+* **Save Hook** (`mempal_save_hook.sh`): Saves new facts and decisions every 15 messages.
+* **PreCompact Hook** (`mempal_precompact_hook.sh`): Saves your context right before the AI's memory window fills up.
+
+### 2. Setup for Claude Code
+Add this to your configuration file to enable automatic background saving:
+
+```json
+{
+  "hooks": {
+    "Stop": [
+      {
+        "matcher": "", 
+        "hooks": [{"type": "command", "command": "./hooks/mempal_save_hook.sh"}]
+      }
+    ],
+    "PreCompact": [
+      {
+        "matcher": "", 
+        "hooks": [{"type": "command", "command": "./hooks/mempal_precompact_hook.sh"}]
+      }
+    ]
+  }
+}