initial commit for standalone rust program

src/main.rs

@@ -0,0 +1,20 @@
+mod app;
+mod generator;
+
+use app::TerrainApp;
+
+fn main() -> eframe::Result<()> {
+    let options = eframe::NativeOptions {
+        viewport: eframe::egui::ViewportBuilder::default()
+            .with_inner_size([1400.0, 900.0])
+            .with_min_inner_size([1000.0, 720.0])
+            .with_title("Advanced Erosion Terrain Generator"),
+        ..Default::default()
+    };
+
+    eframe::run_native(
+        "Advanced Erosion Terrain Generator",
+        options,
+        Box::new(|cc| Ok(Box::new(TerrainApp::new(cc)))),
+    )
+}