rename user-facing commands and crates to gsf

NOTICE.md

@@ -0,0 +1,23 @@
+# notice and attribution
+
+This repository includes substantial code and project structure derived from:
+
+- **maccel**: https://github.com/Gnarus-G/maccel
+- Copyright (C) maccel contributors
+- Licensed under GNU GPL v2 or later
+
+## what is reused
+
+- Workspace/crate layout and CLI/TUI structure
+- Core parameter model and sensitivity curve plumbing
+- Build and packaging scaffolding imported from upstream
+
+## what is being changed here
+
+- Target behavior shifted from pointer acceleration kernel module control to host-side scroll acceleration
+- Added user-space scroll daemon prototype (`daemon/`)
+- Replaced sysfs kernel-parameter persistence with local config persistence for host-side workflow
+
+## licensing intent
+
+This fork/reimplementation remains under **GPL-2.0-or-later** and keeps proper attribution to upstream maccel.