Feat: make some stuff optional for the CLAP/VST version

src/bin/desktop/main.rs

@@ -1,10 +1,8 @@
-mod block_renderer;
-
 use std::sync::atomic::{AtomicBool, AtomicI64, AtomicU32, AtomicU64, Ordering};
 use std::sync::Arc;
 use std::time::Duration;
 
-use block_renderer::BlockCharBackend;
+use cagire::block_renderer::BlockCharBackend;
 use clap::Parser;
 use doux::EngineMetrics;
 use eframe::NativeOptions;