refactor(informer): 🚚 proper name to block info function

Be more specific: `block` instead of `info`.
In anticipation of future functions in this module.

lib/plugins/informer.js

@@ -2,7 +2,7 @@ let cfg
 let bot
 let mcData
 
-function info() {
+function block() {
     const block = bot.blockAtCursor()
     console.log(block)
     cfg.quiet || bot.chat([block.type, block.name].join(": "))
@@ -19,4 +19,4 @@ const load = (config) => {
 
 const unload = () => {}
 
-module.exports = { load, unload, info }
+module.exports = { load, unload, block }