add v3 board activation experiment analysis

experiments/swe-board-activation-10-v3/README.md

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+# SWE board activation 10 v3
+
+GLM and Muse board populations on ten `1-4 hours` conflicting SWE tasks.
+Each model has a separate board and runs two cohorts of five agents.
+
+```sh
+just start
+```
+
+The run is written under `logs/swe-board-activation-10-v3/run/`.