fix: configure rclone encoding to prevent quoting filenames with spaces

Set rclone encoding to "Slash,InvalidUtf8" to only encode slashes and
invalid UTF-8, preventing rclone from wrapping filenames with spaces
in single quotes (e.g., "Hello World.md" instead of "'Hello World.md'").

Fixes #406

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: phernandez <paul@basicmachines.co>

Author: phernandez

src/basic_memory/cli/commands/cloud/rclone_config.py

@@ -100,7 +100,9 @@ def configure_rclone_remote(
     config.set(REMOTE_NAME, "secret_access_key", secret_key)
     config.set(REMOTE_NAME, "endpoint", endpoint)
     config.set(REMOTE_NAME, "region", region)
-
+    # Prevent unnecessary encoding of filenames (only encode slashes and invalid UTF-8)
+    # This prevents files with spaces like "Hello World.md" from being quoted
+    config.set(REMOTE_NAME, "encoding", "Slash,InvalidUtf8")
     # Save updated config
     save_rclone_config(config)