Initialize Minecraft text generator project with basic structure and CLI functionality

crates/lib/src/lib.rs

@@ -0,0 +1,18 @@
+mod engine;
+mod error;
+mod font;
+mod fonts;
+mod grid;
+mod models;
+
+pub use engine::{GenerationOptions, TextBuilder};
+pub use error::{FontError, VoxelError};
+pub use font::FontProvider;
+pub use fonts::ttf_font::TtfFont;
+pub use grid::VoxelGrid;
+pub use models::VoxelType;
+
+pub trait StructureExporter {
+    fn export(&self, grid: &VoxelGrid) -> anyhow::Result<Vec<u8>>;
+    fn file_extension(&self) -> &'static str;
+}