Allow disabling blocks

src/blocks/mod.rs

@@ -20,6 +20,7 @@ pub trait Block {
 pub enum BlockUpdate {
     Single(BlockInfo),
     Multi(Vec<BlockInfo>),
+    _Disabled,
 }
 
 #[derive(Clone, Debug, Default)]

src/main.rs

@@ -137,6 +137,7 @@ fn main() {
                         rendered_blocks.push(rendered_block);
                     }
                 }
+                BlockUpdate::_Disabled => (),
             }
         }
         // let rendered_blocks = block_metas