Fix submission json

aicrowd.json

 {
   "challenge_id": "aicrowd-neurips-2020-minerl-challenge",
   "grader_id": "aicrowd-neurips-2020-minerl-challenge",
-  "authors": ["aicrowd-bot"],
-  "tags": "change-me",
-  "description": "Test Model for MineRL Challenge",
-  "gpu": false
+  "authors": ["minerl_pdddqn_baseline"],
+  "tags": "RL",
+  "description": "Prioritized Dueling Double DQN Baseline",
+  "gpu": true
 }