fix(informer): 🥅 fix crash for block info when no block or an empty block is found

lib/plugins/informer.js

@@ -5,6 +5,10 @@ let mcData
 function block() {
     const block = bot.blockAtCursor()
     console.log(block)
+    if (!block) {
+        cfg.quiet || bot.chat("empty")
+        return block
+    }
     let info = [block.type, block.name]
     if (block.metadata) info.push(block.metadata)
     cfg.quiet || bot.chat(info.join(": "))