Update learn.json

Author: Lorenagubaira

learn.json

@@ -17,7 +17,8 @@
     "bugsLink": "https://github.com/learnpack/learnpack/issues",
     "graded": true,
     "editor": {
-        "version": "5.0"
+        "version": "5.0",
+        "agent": "vscode"
     },
     "telemetry": {
         "batch": "https://breathecode.herokuapp.com/v1/assignment/me/telemetry?asset_id=149"