WIP: Preparing the codebase, nothing important

Signed-off-by: Nikolai Rodionov <allanger@badhouseplants.net>

engine/src/main.rs

@@ -0,0 +1,18 @@
+use lib;
+
+fn main() {
+    /*
+     * Engine should run and wait for commands,
+     * but currently I need to implement the multitrack
+     * audio player somehow
+     *
+     *
+     * for track in tracks {
+     *   if track.is_region_playing(now: time) {
+     *     let current_region = track.get_current_region(now: time)
+     *     let audio = current_region.get_data(now: time)
+     *   }
+     * }
+     */
+    println!("Hello, world!");
+}