Made NPCs interactable with the conversation system.

assets/en.json

@@ -5,12 +5,18 @@
     "options": "Options",
     "exit": "Exit"
   },
+  "entities": {
+    "sign": {
+      "name": "Sign"
+    },
+    "bob": {
+      "name": "Bob"
+    }
+  },
   "maps": {
     "testmap": {
-      "sign": {
-        "text": "This is a sign.",
-        "name": "Sign"
-      }
+      "bob": "Hello, I am Bob.",
+      "sign": "This is a sign."
     }
   }
 }

assets/testmap.json

@@ -33,8 +33,8 @@
       "type": 2,
       "x": 9,
       "y": 9,
-      "name": "Bob",
-      "text": "Hello, I am Bob."
+      "name": "entities.bob.name",
+      "text": "maps.testmap.bob"
     },
     {
       "type": 3,