feat(informer): ✨ add more detailed block metadata info

Uses `block.getProperties()`. Thanks to a [comment][1]

[1]: https://github.com/PrismarineJS/mineflayer-pathfinder/pull/84/files#r541196424

lib/plugins/informer.js

@@ -5,13 +5,13 @@ const v = require('vec3')
 
 function block(pos) {
     const block = pos ? bot.blockAt(v(pos)) : bot.blockAtCursor()
-    console.log(block)
+    console.log(block, block && block.getProperties())
     if (!block) {
         cfg.quiet || bot.chat("empty")
         return block
     }
     let info = [block.type, block.name]
-    if (block.metadata) info.push(block.metadata)
+    if (block.metadata) info.push(Object.entries(block.getProperties()))
     cfg.quiet || bot.chat(info.join(": "))
 }