Initial commit: md-manuscript editor

Rust/egui desktop app: draggable markdown file list, editor, git sync,
per-file chapter titles, and native ODT export. Includes README and
Debian 12 (Surface) install guide.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "md-manuscript"
+version = "0.1.0"
+edition = "2021"
+description = "Draggable markdown manuscript editor with git sync and ODT export"
+
+[dependencies]
+eframe = { version = "0.29", default-features = true }
+egui = "0.29"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+pulldown-cmark = { version = "0.12", default-features = false }
+zip = { version = "2", default-features = false, features = ["deflate"] }
+dirs = "5"
+
+[profile.release]
+opt-level = 2