feat(informer): ✨ add entity detail by type and kind for some entities

So far:
- mobs
 - villager
- object
 - drops

lib/plugins/informer.js

@@ -130,6 +130,48 @@ function entity(name = bot.nearestEntity()) {
     let info = [(entity.entityType && entity.entityType + ":" || "") + (entity.type === "object" ? entity.kind : entity.type)]
     info.push(entity.username || entity.name)
     // TODO various info depending on the type of entity; player, villager, etc
+    // TODO refactor and combine with compound_value()
+    switch (entity.type) {
+        case "object":
+            switch (entity.kind) {
+                case "Drops":
+                    const item = entity.metadata[7];
+                    entity.metadata;
+                    if (item.present) {
+                        info.push("item: " + item.itemId + ": "
+                            + mcData.items[item.itemId].name
+                            + `x${item.itemCount}`);
+                    }
+                    else {
+                        console.warn("info entity: metadata expected item, got:", entity.metadata[7]);
+                    }
+                    break;
+                default:
+            }
+            break;
+        case "mob":
+            switch (name) {
+                case 'villager':
+                    info.push(Object.entries(entity.metadata[17]).toString())
+                    break
+                default:
+                    break
+            }
+
+            entity.metadata[8] && info.push("health:" + entity.metadata[8])
+            entity.metadata[15] && info.push("baby")
+            if (entity.heldItem) {
+                info.push("holding")
+                item(entity)
+            }
+        case "global":
+        case "orb":
+        case "player":
+            break;
+        case "other":
+            info.push("kind:" + entity.kind)
+        default:
+    }
     if (entity.metadata) info.push("len: " + entity.metadata.length)
     quiet || bot.chat(info.join("; "))
     return entity