Added some content to README

Actually it's just to test the Telegram bot.

README.md

@@ -12,3 +12,19 @@ sure to clone the submodules as well !
 
 To compile the project, simply run make (-j friendly).
 
+## Plans
+
+### What need to be done
+
+- Entities (planning in progress)
+- Events
+- Battle Engine (planning in progress)
+- I/O file data
+- Scripting
+- UI (research in progress)
+- Character system.
+- Items
+
+### What's already done
+- Map system.
+- Basic text routines.