higher granularity curr

config/curricula/tennis.yaml

 Tennis:
   measure: progress
-  thresholds: [0.1, 0.2]
+  thresholds: [0.02, 0.04, 0.06, 0.08, 0.1, 0.12, 0.14, 0.16, 0.18, 0.2]
-    ball_touch: [1.0, 0.5, 0.0]
+    ball_touch: [1.0, 0.9, 0.8, 0.7, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1, 0.0]