Add references (removed inner git)

references/matrix-bot-chat-reference/sample/matrix_store2.txt

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+It appears that SqliteStore is no longer available directly in matrix-nio's recent versions, which means the documentation might not reflect current capabilities accurately. Here’s an alternative approach to set up a persistence layer using DefaultCryptoStore in matrix-nio for handling encryption without relying on SqliteStore.
+
+Here’s how to set it up:
+
+    Install the Required E2E Encryption Dependencies: Make sure the encryption dependencies are installed:
+
+    bash
+
+pip install 'matrix-nio[e2e]'
+
+Configure DefaultCryptoStore: The DefaultCryptoStore can be used to persist encryption keys, allowing your bot to retain its encryption state across restarts. Here’s a code snippet to configure it:
+
+python
+
+    from nio import AsyncClient, DefaultCryptoStore
+    import os
+
+    # Set up your bot's storage directory
+    store_path = "store"  # Ensure this directory exists
+
+    # Initialize the AsyncClient with the DefaultCryptoStore for E2E encryption
+    client = AsyncClient(
+        "https://your.matrix.server", 
+        "your_bot_username",
+        store_path=store_path
+    )
+
+    # Configure the client to use the default crypto store
+    client.crypto_store = DefaultCryptoStore(
+        client.user_id,
+        client.device_id,
+        store_path
+    )
+
+    # Now your client will store encryption keys under `store_path`
+
+    Sync and Persist Keys: After setting up, the bot should automatically save keys during communication. Make sure your store_path directory is persistent across reboots, as the stored data within it allows the bot to pick up encrypted chats seamlessly on restart.
+
+    Run the Client and Sync: To maintain encrypted communication, call client.sync_forever() or client.sync() in your main loop as usual. The DefaultCryptoStore will manage loading and saving encryption keys without needing SqliteStore.
+
+This setup should persist encryption keys across sessions. Let me know if you encounter further issues, and I can guide you through additional configuration steps if necessary.