restore terminal, rework console

modules/addon_terminal/terminal.otmod

@@ -0,0 +1,16 @@
+Module
+  name: terminal
+  description: Terminal for executing lua functions
+  author: OTClient team
+  website: https://github.com/edubart/otclient
+
+  autoLoad: true
+  autoLoadPriority: 1000
+
+  onLoad: |
+    require 'terminal'
+    require 'commands'
+    Terminal.init()
+
+  onUnload: |
+    Terminal.terminate()