Put a placeholder where the example carried a real secret

BalloonPoppingGymEnv/evaluation/configs/example_eval_cfg.yaml

@@ -6,6 +6,6 @@ agent_name: "Attitude Rate Control" # Identifier name for logging purposes. The
 agent_kwargs:
   rate_targets: [0.0, 0.0, 0.0]
   launch_time: 1
-team_name: example
-team_secret: 3b4b84252bc53eb1f4d8ea008a9243040088e71a1f1fd7a9ccfe203f9c9cb164
+team_name: your-team-name
+team_secret: paste-the-secret-the-organizers-emailed-you
 leaderboard_submission: true

CHANGELOG.md

@@ -10,6 +10,12 @@ to the pull request that made the change.
 
 ## [Unreleased]
 
+### Security
+
+- The example configuration and the README carried a working team secret. They
+  carry a placeholder now, so the file says what to paste rather than shipping
+  something that already works (#137).
+
 ### Changed
 
 - An ignored action field says why it was ignored. The log named the field and

README.md

@@ -286,8 +286,8 @@ To generate the required .json file for submission, please follow these steps:
 2. Edit [eval_cfg.yaml](./BalloonPoppingGymEnv/evaluation/configs/example_eval_cfg.yaml)
 
     ```yaml
-    team_name: example
-    team_secret: 3b4b84252bc53eb1f4d8ea008a9243040088e71a1f1fd7a9ccfe203f9c9cb164
+    team_name: your-team-name
+    team_secret: paste-the-secret-the-organizers-emailed-you
     leaderboard_submission: true
     ```